Dog-Friendly Hikes near Denver, CO
Inside the city the rule is simple and strictly enforced: six feet of leash, no park waters, and off-leash only inside a dog park.
Denver Parks & Recreation sets the rule for the in-town walks: a leash of six feet or less on trails and park roads, no dogs in park waters, and an $80 civil penalty. That covers the Mile High Loop at City Park, with its line painted at exactly 5,280 feet, and the Sloan's Lake Loop, where the lake is a working reservoir and off limits to dogs. The High Line Canal adds the Conservancy's own rule: six-foot leash, no retractables, carry out waste.
Forty minutes southeast, Castlewood Canyon is Colorado Parks & Wildlife ground, so the state six-foot rule applies and dogs are banned from the East Canyon Preservation Trail. Its visitor-center lots fill by late morning on nice weekends; the west entrance is the overflow.
Nearby places that do not allow dogs: Waterton Canyon (the first 6.4 miles of the Colorado Trail), the Mt. Morrison Trail at Red Rocks, Bluff Lake Nature Center and Roxborough State Park. The canal is shaded and snow-free most of the winter; Castlewood's stone steps ice up, and with a July average high of 91°F the exposed loops are a dawn proposition in summer.
- High Line Canal Trail (Eisenhower Park segment)DenverLeash required · 68 mi
- Mile High Loop at City ParkDenverLeash required · 3.1 mi
- Sloan's Lake LoopDenverLeash required · 2.6 mi
- Castlewood Canyon Inner Canyon / Lake Gulch LoopDenverLeash required · 1.75 mi
Leash rules come from each land manager's published regulations on the date shown on the trail page. Rules change seasonally; check before you go.
Hiking with dogs near Denver: FAQ
Can my dog swim anywhere in Denver's parks?
No. Denver's Park Use Rules keep dogs out of all park waters, including Ferril Lake at City Park and Sloan's Lake. For legal water, Cherry Creek flows through the canyon floor at Castlewood Canyon State Park, and the Cherry Creek and Chatfield state park off-leash areas allow swimming with a $3 daily pass.
Is Waterton Canyon open to dogs?
No. Denver Water bans dogs, even on a leash, on the first 6.4 miles of the Colorado Trail through Waterton Canyon, and the state trail map lists it as no dogs. The Colorado Trail Foundation suggests starting the trail with a dog at the Indian Creek trailhead instead.
How long can a leash be in a Denver park?
Six feet or less on trails and park roads, with the dog under physical control, under Denver Park Use Rules section 13.8. The High Line Canal Conservancy applies the same six-foot limit and asks that you leave retractable leashes at home. The civil penalty for a loose dog in a Denver park is $80.