← Back to trails

Red Line Trail

Certified dog policy

Austin, TX • Travis • 10.2 mi • Loop

Discover the Red Line Trail, a vibrant dog-friendly trail in Austin, offering over 10.2 miles of interconnected paths perfect for you and your canine companion. This extensive network provides a diverse landscape, making it an engaging environment for energetic pups and their owners seeking outdoor adventure. With its varied terrain and natural surroundings, it's a worthwhile destination for a day out with your furry friend, promising a good workout and plenty of exploration opportunities.

Distance
10.2 mi
Effort
Steep Workout
Dogs
Allowed
Leash
Required
Heat:MediumShade:LowCrowd:High
Best entry:Red Line Trail
Best in spring and fall; avoid midday in summer.

Map

Loading map…

Dog Policy

Certified dog policy

Dogs allowed. Leash required.

Dogs
Allowed
Leash
Required
Off-leash
No

Leash required at all times; leash must be 6 feet or shorter per Austin Urban Trails program rules. No designated off-leash areas exist along the trail corridor.

Source: Urban Trails | City of Austin

Trailheads

Primary trailhead

Trailhead #1
Red Line Trail

Red Line Trail, Austin, TX 78752, USA

Primary🔓 Yes access💵 Fee not posted📍 Distance not measured🅿 Unknown capacity

Other access points

Austin Public Visitor Parking
🔓 Permissive access💵 Fee not posted📍 ~180 m from trail🅿 Medium
Trailhead #2
🔓 Access not confirmed💵 Fee not posted📍 Distance not measured🅿 Unknown capacity
Rail Service
🔓 Access not confirmed💵 Fee not posted📍 Distance not measured🅿 Unknown capacity

Dog Fit

By Dog Type

How this trail suits different kinds of dogs

Small Dog
Toy & small breeds
45%
Caution
Long for small breeds
Natural & paw-friendly
Warm; bring extra water
Senior Dog
Older dogs, 7+ years
57%
Fair fit
Flat & joint-friendly
Long for senior dogs
Smooth surface — easy going
Reactive Dog
Reactive to dogs & strangers
46%
Caution
Often busy — high encounter risk
All dogs leashed — controlled
Can cut short if needed
Sensitive Dog
Anxious or paw-sensitive dogs
32%
Tough
Soft natural surface
Warm — check ground temp
Busy — may cause anxiety
Getting-Fit Dog
Building up stamina
57%
Fair fit
Too long for early fitness training
Flat — great for conditioning
Can shorten route if needed
Water Lover
Dogs who love to swim & splash
60%
Fair fit
2 water access points
Water along most of the route
Leash required — limits water play

The Red Line Trail offers a varied terrain with an elevation range of approximately 505 feet. The median grade is 2, and the 90th percentile grade is 4. This suggests that while there are some inclines, they are generally moderate and manageable for most dogs, making it a suitable option for active canines without extreme stamina. The network structure allows for flexibility in choosing routes that match your dog's fitness level, ensuring you can tailor your walk to avoid overly strenuous sections or embrace a good climb. It's a trail that provides a good workout without being overly challenging.

Trail Effort

Strenuous

Steep sections throughout. Best for athletic dogs.

EasyModerate
Challenging
Strenuous
Gain:23,714 ftGain/mi:2314 ft/mi
Rated from 23,714 ft gain + 2314 ft/mi.
Elevation Profile
974 ft469 ft0 mi10.2 mi246810
Trail Width
Spacious
NARROWWIDE

Comfortable walking side by side with your dog.

Numbers & data
Total climb: 23,714 ft
Highest point: 974 ft
Lowest point: 469 ft
Typical slope: 2%
Steepest sections: 4%
Typical width: ~10 ft

Slope % = rise ÷ run × 100. Typical = median across all segments.

Surface

The Red Line Trail's surface is predominantly concrete, accounting for 84.4% of its composition, with additional asphalt sections making up 9.77%. This hard surface can be tough on dog paws, especially during warmer months when pavement can retain significant heat, potentially reaching temperatures that can burn paws. It's advisable to consider dog booties for protection and to check your dog's paws regularly for any signs of irritation or overheating. While there are some unpaved sections, they are minimal, so be prepared for mostly hard footing. The trail width, ranging from 5 to 17 feet with a median of 10 feet, generally allows for comfortable side-by-side walking.

Surface

What your dog will walk on

Mostly: Concrete

Firm, consistent footing with less natural cushioning.

Hard surface riskSmooth / Paw-friendly
Surface along the trail
ConcreteUnknownConcreteAsphaltConcreteAsphaltConcreteCrushed stoneConcreteCrushed stoneConcreteCrushed stoneConcreteCrushed stoneConcreteAsphaltConcreteCrushed stoneConcrete0 mi10.2 mi246810HardUnknownGravel/Compacted
Concrete54%hard
Unclassified35%varies
Asphalt6.2%hard
Crushed stone2.5%grippy
Roughness: Low

What it means: This trail is mostly Concrete. A notable share is unclassified (35%). A significant portion is unclassified, so surfaces may vary. Generally comfortable for most dogs.

Best forstrollersroad bikesquick walks
Full breakdown
Concrete54%
Unclassified35%
Asphalt6.2%
Crushed stone2.5%
Paved1.3%
Unpaved0.6%
Hard surface (other)0.5%
roughnessRisklow
roughnessRiskScore
roughness (normalized %)

Shade

The Red Line Trail offers limited shade, with only about 35% of the route covered by shade proxy. This means much of the trail is exposed to direct sunlight, making it crucial to manage heat exposure for your dog. Visiting during the cooler parts of the day, such as early mornings or late afternoons, is highly recommended, especially during warmer months in Austin. Always ensure your dog has access to water and monitor them closely for signs of overheating, such as excessive panting, lethargy, or stumbling. Be particularly cautious on days when temperatures exceed 85°F, as the hard concrete and asphalt surfaces will absorb and radiate heat.

🌳 Shade

LOW

Low shade coverage

34.9%
Proxy score: 0.2304Last analyzed: 2/25/2026, 4:40:35 PM

Limited natural shade. Expect prolonged sun exposure.

Shade along the trail
0 mi10.2 mi246810SunPartialShadeDense
Data breakdown
Tree rows detected16
Medium canopy polygons249
Dense canopy polygons412
Tree nodes analyzed2000

Shade score derived from mapped tree density and canopy polygons near trail geometry.

{
  "treeRowCount": 16,
  "mediumPolyCount": 249,
  "strongPolyCount": 412,
  "treeNodeCountUsed": 2000
}

Water

While the Red Line Trail is situated near various natural water sources, including springs, a river, lakes or ponds, and streams, there are no dedicated drinking water facilities available along the trail itself for dogs. It is essential for dog owners to bring their own water supply and a portable bowl to ensure their dog stays hydrated throughout the hike. The natural water sources may not be consistently reliable or safe for consumption by dogs due to potential contaminants or strong currents, especially in the river. Always err on the side of caution and provide fresh, clean water from your own supply.

Water

Hydration & splash potential

Near water: 92%
Swim: Unlikely
Spring • River • Lake/Pond
Water nearby92%
Water along the trail
Lake / PondStreamLake / PondDry — no water within 200 mLake / PondDry — no water within 200 mLake / PondDry — no water within 200 mStreamRiverLake / PondDry — no water within 200 mStreamLake / PondRiverLake / PondDry — no water within 200 mLake / PondDry — no water within 200 mStreamLake / PondDry — no water within 200 mLake / PondDry — no water within 200 mStreamLake / PondStreamLake / PondStreamLake / PondRiverStreamLake / PondDry — no water within 200 mLake / PondStreamLake / PondStreamLake / PondDry — no water within 200 mLake / PondRiverLake / PondStreamDry — no water within 200 mLake / PondDry — no water within 200 mLake / PondStreamRiverDry — no water within 200 mLake / PondDry — no water within 200 mLake / PondDry — no water within 200 mLake / PondRiverStreamRiverDry — no water within 200 mLake / PondDry — no water within 200 mLake / PondRiverDry — no water within 200 mLake / PondDry — no water within 200 mRiverStreamRiverLake / PondRiverLake / PondRiverLake / PondDry — no water within 200 mLake / PondDry — no water within 200 mLake / PondRiverLake / PondRiver0 mi10.2 mi246810RiverLake / PondStream

Water is frequently near the route—great for cooling breaks. Bring a bowl anyway. Swimming spots are unlikely.

Data details\u25BC
Water near score0.9181
Water near percent0.9181
Water types nearbyspring, river, lake_or_pond, stream
Swim likelyfalse

Conditions

Most sections exposed; bring water.
Check details
High
Possible
Low
Medium
Unknown

The Red Line Trail is known to experience high crowd levels, largely due to its convenient access from 22 designated parking spots and an estimated capacity for 217 vehicles, along with numerous entry points into the trail network. For dogs that are reactive or easily stressed by crowds, this means frequent encounters with other people and pets. To enjoy a more peaceful outing with your dog, it's best to visit during weekdays or very early in the morning, especially on weekends, perhaps before 8 AM. Avoiding peak hours will significantly enhance your experience and provide more space for your dog to explore without constant interaction.

After Dark

Not recommended after dark
Lighting 56%Hours unknownMostly hard surface764 hazard flags

Lighting is partial (56% coverage). Access hours are unconfirmed. Hard surfaces can be easier to read under limited light.

Watch footing near water edges.Stay alert for cyclists after dark.

Based on lighting, access hours, and nearby hazards.

Crowd

How busy it tends to feel

Updated: Feb 25, 2026

Often busy79/100

Large parking nearby, Many entrances / access points, Near residential/commercial areas

Busyness79%
Entrances: 1
Parking: 94%
Transit: 14 stops
Urban: 100%
Amenities: 35%
Best off-peak for reactive dogs. Expect bikes/runners near entrances. Busiest near access points.
Data details
crowdClass (raw)high
crowdProxyScore (raw)0.787
crowdLastComputedAt1772048473716 (Feb 25, 2026)
crowdReasons (raw)Large parking nearby,Many entrances / access points,Near residential/commercial areas
crowdSignals
{
  "urbanScore": 1,
  "amenityScore": 0.35,
  "busStopCount": 14,
  "parkingScore": 0.943,
  "entranceCount": 1,
  "entranceScore": 0.714,
  "parkingCapacity": 217,
  "bikeParkingCount": 5
}

Swim

Splash potential

Possible swim access2 access points
Swim confidence40%
Access points: 2
Drinking Water: 2

Some access points are mapped, but swimming isn't strongly indicated.

Find a spot
Drinking WaterUnnamedOpen in Maps
Drinking WaterUnnamedOpen in Maps
Data details
swimLikelyfalse
swimAccessPointsCount2
swimAccessPointsByType
{
  "drinking_water": 2
}
swimAccessPoints
[
  {
    "kind": "drinking_water",
    "name": null,
    "tags": {
      "amenity": "drinking_water"
    },
    "osmId": "node/12271786487",
    "osmType": "node",
    "location": {
      "type": "Point",
      "coordinates": [
        -97.7142236,
        30.2676599
      ]
    },
    "distanceToTrailMeters": 0.9,
    "distanceToWaterMeters": null
  },
  {
    "kind": "drinking_water",
    "name": null,
    "tags": {
      "amenity": "drinking_water"
    },
    "osmId": "node/4353119189",
    "osmType": "node",
    "location": {
      "type": "Point",
      "coordinates": [
        -97.7871163,
        30.4807242
      ]
    },
    "distanceToTrailMeters": 43.3,
    "distanceToWaterMeters": null
  }
]

Mud Risk

Footing after rain

Low

14%

RiskLow
Surface uncertain 56%Water nearby (wetter areas) 92%Mostly paved / low mud risk

Usually firm footing. Mud is unlikely except after heavy rain. (Limited data)

Limited sample size for mud risk.

Data details
mudRisklow
mudRiskScore0.1421
mudRiskReasonMostly paved / low mud risk
mudRiskKnownSamples
mudRiskReasons
waterNearPercent0.9181
percent (computed)14
Updated2/25/2026, 2:12:46 PM

Winter

Cold-weather usability

Mixed winter conditions42/100
Winter suitability42%
Suitability: 42/100
Maintenance: Not likely maintained
More hard surfaces

Conditions may vary—expect some slick spots after freezes or rain. Maintenance is unlikely—expect debris/ice to linger.

  • Mostly paved/urban-adjacent surfaces
Data details
winterClassmedium
winterScore (raw)0.422
winterScore (pct)42%
winterLikelyMaintainedfalse
winterLastComputedAt1772093254522 (Feb 26, 2026)
winterReasons
[
  "Mostly paved/urban-adjacent surfaces"
]

Lighting

Night visibility

Partially lit

56%

Based on 43 sampled segments

Some sections have lighting, others may be dark.

Short evening walks
Data details
litKnownSamples43
litYesSamples24
litPercentKnown0.558
totalSampleCount
overallPercent (computed)56

Planning & Entry

View detailed breakdown

Amenities on the Red Line Trail are basic, including one bench for resting, one shelter for brief respite, and two waste baskets for proper trash disposal. There are no restrooms or drinking water facilities available along the trail, so visitors must plan accordingly. This means bringing your own water for both yourself and your dog, along with dog waste bags. While limited, the available amenities can be helpful for short breaks during your hike, especially the waste bins for keeping the trail clean. Be prepared to carry out anything you bring in, as facilities are sparse.

Amenities on the Trail

What you'll find along the route

🪑

1

Benches

Some resting spots

🏠

1

Shelters

Covered areas available

🚻

0

Restrooms

None reported

🗑️

2

Waste Bins

Dog waste disposal available

💧

0

Drinking Water

No water reported

Amenities along the route

Nearby facilities around the start, middle, and end of this trail.

Amenities along the trail
🛖 SheltersShelters at 19.5 mi🪑 BenchesBenches at 19.5 mi🗑️ Waste binsWaste bins at 19.5 miWaste bins at 19.5 mi0 mi10.2 mi246810

Near the start

A few amenities nearby

🅿️Parking
11
closest: 156 m • short walk
✳️Other
3
closest: 174 m • short walk
See details
  • Parking area
    156 m • short walk
  • Other area
    174 m • short walk
  • Parking area
    226 m • short walk
  • Parking area
    240 m • short walk
  • Parking area
    259 m • short walk
  • Parking area
    266 m • short walk
Show 8 more
  • Other area
    271 m • short walk
  • Parking area
    271 m • short walk
  • Parking area
    277 m • short walk
  • Other area
    282 m • short walk
  • Parking area
    303 m • nearby
  • Parking area
    357 m • nearby
  • Parking area
    384 m • nearby
  • Parking area
    472 m • nearby

Near the middle

A few amenities nearby

🅿️Parking
5
closest: 130 m • very close
✳️Other
1
closest: 368 m • nearby
See details
  • Parking area
    130 m • very close
  • Parking area
    228 m • short walk
  • Parking area
    233 m • short walk
  • Other area
    368 m • nearby
  • Parking area
    392 m • nearby
  • Parking area
    455 m • nearby

Near the end

A few amenities nearby

🛖Shelter
1
closest: 205 m • short walk
🪑Seating
1
closest: 140 m • very close
🗑️Trash bins
2
closest: 138 m • very close
🅿️Parking
6
closest: 376 m • nearby
Show all amenities (1 more)
✳️Other
4
closest: 372 m • nearby
See details
  • Trash bins area
    138 m • very close
  • Seating area
    140 m • very close
  • Shelter area
    205 m • short walk
  • Trash bins area
    210 m • short walk
  • Other area
    372 m • nearby
  • Parking area
    376 m • nearby
Show 8 more
  • Parking area
    448 m • nearby
  • Entry 4
    463 m • nearby
  • Parking area
    468 m • nearby
  • Other area
    477 m • nearby
  • Entry 5
    485 m • nearby
  • Parking area
    515 m • nearby
  • Highland Campus South Garage
    553 m • nearby
  • Lot A
    557 m • nearby

🅿 Parking

Large parking area
~217 spacesEstimated capacity
22 parking locations
No known parking fee

Parking generally sufficient for peak times. Multiple access points reduce congestion near trailheads.

Technical details
parkingCapacityEstimate217
parkingCount22
parkingFeeKnownfalse

Highlights

2 highlights on or near the trail.
Highlights along the trail
🏛️ HistoricDowns Field · 23.0 miRosewood Park · 23.5 mi0 mi10.2 mi246810

Highlights

2 total

Points of interest near the trail (from OpenStreetMap). Distances are from the trail line. Data source: OpenStreetMap

Closest: Downs Field · 74 m

Downs Field

Historic · Memorial

Close
74 mfrom trail
Open OSM

Rosewood Park

Historic · Memorial

Nearby
81 mfrom trail
Open OSM

Safety on the Red Line Trail requires awareness of several hazards. There are a significant number of road crossings, totaling 483, with 282 identified as risky, demanding constant vigilance and keeping your dog on a short leash. Additionally, there are 24 water crossings to navigate. Emergency access is rated as high, providing some reassurance should an incident occur. The trail has medium night visibility, with some nearby ways tagged as lit, but it is not considered night-friendly. Winter conditions are rated medium, and maintenance is unlikely, so plan accordingly for seasonal changes. Bailout options are considered medium, meaning there are alternate exits if needed, supported by 9 intersections offering turn-off choices.

Rules & Safety

Dog Emergency

Emergency help nearby

Nearest vet: 0.8 mi

Spicewood Springs Animal Hospital

0.8 mi from trail · Veterinary · 4606 Spicewood Springs Road

Veterinary Surgical Solutions

1.4 mi from trail · Veterinary

Banfield Pet Hospital

2.1 mi from trail · Veterinary · 11150 Research Boulevard, Austin, 78759

VCA Arbor Animal Hospital

2.1 mi from trail · Veterinary

Arbor Animal Clinic

2.1 mi from trail · Veterinary

Hazards

Updated: Feb 26, 2026

HighRisk score: 0.75(75/100)
  • 282 risky road crossings near trail
  • 483 mapped road crossings overall
  • 24 water crossing points
  • 255 cycleway conflict proxies
  • 2 off-leash encounter proxy points

Primary concerns: Road crossings (282 risky), Bike conflict (255)

Road crossings
Total: 483
Risky: 282
Water crossings
24
Cliff / steep edge
0
Bike conflict
255
Off-leash conflict proxy
2
See full hazard data
hazardsClasshigh
hazardsScore0.75
hazardsLastComputedAt1772131171167 (Feb 26, 2026)
hazardsReasons (raw)282 risky road crossings near trail, 483 mapped road crossings overall, 24 water crossing points, 255 cycleway conflict proxies, 2 off-leash encounter proxy points
hazards (object)
{
  "roadCrossings": {
    "count": 483,
    "riskyCount": 282
  },
  "waterCrossings": {
    "count": 24
  },
  "cliffOrSteepEdge": {
    "count": 0
  },
  "bikeConflictProxy": {
    "count": 255
  },
  "offLeashConflictProxy": {
    "count": 2
  }
}

Exit options (Bailouts)

Bailout: mediumScore: 0.5

If you need to shorten the hike, these are the nearest exits/connectors. Exit points near the trail. Distances are from the selected anchor (start/end/midpoint).

How is this calculated?

Based on trail graph connectivity and nearby exits.

  • Route structure (network) supports alternate exits.
  • 9 intersections create more turn-off choices.
  • Graph-based route structure estimate using stored segment geometry.
Total spots: 57Actionable exits: 32Dead ends: 25Closest near Start: 322 mClosest near Midpoint: 277 mClosest near End: 49 m
Exit coverage along the trail
🚪 Exits🔚 Dead ends0 mi10.2 mi5.1 mi
32 actionable exits· closest 322 m from start25 dead ends

Top exits near Start

Trail entrance / exit

Near Start · 322 m from start

EntranceDead End
322 mGoogle Maps OSM unavailable

Trail entrance / exit

Near Start · 331 m from start

EntranceDead End
331 mGoogle Maps OSM unavailable

Intersection / connector

Near Start · 695 m from start

Intersection
695 mGoogle Maps OSM unavailable

Intersection / connector

Near Start · 1.0 km from start

Intersection
1.0 kmGoogle Maps OSM unavailable

Trail entrance / exit

Near Start · 1.0 km from start

EntranceDead End
1.0 kmGoogle Maps OSM unavailable

Frequently Asked Questions

Common questions about dogs on this trail.
low confidenceAre dogs allowed on Red Line Trail?
Information regarding specific dog allowance policies for the Red Line Trail is not available in the provided data. Access rules are marked as restricted.
low confidenceDo dogs need to be on a leash on Red Line Trail?
Specific leash requirements for dogs on the Red Line Trail are not detailed in the available data. Access rules are marked as restricted.
high confidenceIs there drinking water available for dogs along Red Line Trail?
No drinking water facilities are available along the Red Line Trail for dogs, according to the provided data.
high confidenceIs Red Line Trail mostly shaded or sun-exposed?
The Red Line Trail has a low shade class, with approximately 34.95% shade proxy coverage, indicating it is mostly sun-exposed.
high confidenceWhat is the trail surface like for dog paws on Red Line Trail?
The Red Line Trail is primarily concrete (84.4%) with some asphalt. This hard surface may be a concern for dog paws, especially in warm weather.
high confidenceHow muddy does Red Line Trail get after rain?
The Red Line Trail has a low mud risk score of 0.1421 and is unlikely to become excessively muddy after rain due to its predominantly concrete surface.
high confidenceHow crowded does Red Line Trail get, and when is the best time to visit?
The Red Line Trail experiences high crowd levels. Visiting during weekdays or early mornings is recommended for a less crowded experience.
high confidenceWhat is the parking situation at Red Line Trail?
The Red Line Trail has an estimated parking capacity of 217 vehicles, with 22 designated parking spots. A parking fee is not known to be required.
high confidenceWhat amenities are available at Red Line Trail (restrooms, waste bins, benches)?
Amenities on the Red Line Trail include 1 bench, 1 shelter, and 2 waste baskets. Restrooms and drinking water facilities are not available.
high confidenceAre there any safety concerns for dogs on Red Line Trail (heat, terrain, water crossings)?
Safety concerns include numerous road crossings (483 total, 282 risky) and 24 water crossings. The trail's predominantly concrete surface can also pose heat risks to paws.