Old Trail 20 is a 5.5-mile dog-friendly trail in Phoenix, AZ. Includes leash-required policy details · high shade. Elevation gain is about 246 ft. Looking for more options in Phoenix dog-friendly trails or across dog-friendly trails across Arizona? Use the sections below for dog policy, access points, shade/heat, water, terrain, and safety.
Old Trail 20 is a 5.5-mile trail on mostly sand tread, nearly flat. The route passes a creek near the start — swim access looks likely for a hot-day cooldown. Tree cover is consistent for most of the route, so it holds up well on hot afternoons. Dogs must stay leashed on this trail.
Dog Fit
Dogs allowed status, leash expectations, and suitability by dog type
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Dogs must be on a leash in all Phoenix city parks. Phoenix City Code §23-18.
Suitability by dog type
By Dog Type
How this trail suits different kinds of dogs
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Small Dog
Toy & small breeds
60%
Fair fit
–May need extra breaks
–Some rough patches
✓Well-shaded route
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Senior Dog
Older dogs, 7+ years
54%
Caution
✓Flat & joint-friendly
×Long for senior dogs
✓Good shade available
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Reactive Dog
Reactive to dogs & strangers
100%
Great fit
✓Usually quiet — fewer encounters
✓All dogs leashed — controlled
✓Can cut short if needed
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Sensitive Dog
Anxious or paw-sensitive dogs
75%
Good fit
–Some rough patches
✓Well-shaded — stays cooler
✓Quiet — less stressful
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Getting-Fit Dog
Building up stamina
82%
Great fit
–Moderate — build up to this
✓Flat — great for conditioning
✓Can shorten route if needed
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Water Lover
Dogs who love to swim & splash
72%
Good fit
✓Swim spots confirmed on this trail
✓Water along most of the route
–Leash required — limits water play
Trail Suitability
Who this trail works best for — and what to watch
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Well-shaded, with swim access trail — comfortable for most dogs