The 5 Best Pet-Friendly Hikes Around Summit County

Hiking with dogs is a way of life in Summit County, where more than 35 percent of households own at least one dog, according to state data. With trails winding past alpine lakes, through wildflower meadows, and into thick stands of pines, the region is packed with options that let both people and pets breathe deeply and explore freely. The Best of Summit highlights pet-friendly hikes where tails wag just as much as trekking poles click.

Old Dillon Reservoir

Old Dillon Reservoir may be small, but it delivers big views. Built in the 1930s as a municipal water source, the reservoir now offers a relatively short trail that’s ideal for dogs and families. The path loops through forests of lodgepole pine before opening to wide lake views with the Tenmile Range in the background. It’s a hike that balances ease with beauty, making it a go-to for locals looking for a quick adventure with their pups.

Frisco Peninsula Recreation Area - Town of Frisco

The Frisco Peninsula Recreation Area is a four-season playground where dogs are part of the action. The trails here stretch across rolling terrain with access to Lake Dillon, giving pets plenty of space to run and splash. In summer, shaded routes offer relief from the sun, while in winter, snow-packed paths invite skiers and snowshoers to bring dogs along for the workout. It’s a versatile outdoor spot that reflects Summit County’s dog-friendly lifestyle.

Rainbow Lake Trail

Rainbow Lake Trail lives up to its name with colorful scenery and a calm destination perfect for four-legged companions. Starting from downtown Frisco, the trail winds through aspen groves and wetlands before reaching a small alpine lake. Dogs can cool off at the shoreline while owners take in views of Buffalo Mountain. With an easy grade and a length just over a mile, this hike is accessible yet rewarding, making it a local favorite for quick outings with pets.

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