Swimming holes by town
Swimming Holes in Fort Collins, Colorado
4 natural swimming holes
If Fort Collins is home base, you're spoiled for choice: 4 natural swimming holes appear in our listings for this area. The standout listing is Horsetooth Reservoir (South Bay). They all fall in Larimer County. Expect a spread: 3 rivers, and 1 lake. Plan around June-September — that's the best season named in most local listings.
Swimming holes in Fort Collins
- Horsetooth Reservoir (South Bay)
Horsetooth's designated swim beaches at South Bay and Sunrise Beach are Fort Collins' summer headquarters, with mountain views.
- Legacy Park (Poudre River)
A calmer Poudre River access point downstream of the canyon, popular with Fort Collins families.
- Picnic Rock (Poudre River)
A deep, cliff-shaded pool on the Cache la Poudre River along the canyon highway, a Fort Collins summer institution.
- Poudre River Whitewater Park
A downtown whitewater park on the Cache la Poudre River with engineered waves, eddies, and calm pools.
Frequently asked questions
How many swimming holes are in Fort Collins, CO?
Our directory lists 4 natural swimming holes in and around Fort Collins, Colorado, across Larimer County. New spots are added as they're verified.
What kinds of swimming holes are in Fort Collins?
The 4 listings cover 3 rivers, 1 lake. See each listing for details on access and conditions.
Which swimming hole near Fort Collins should I try first?
Horsetooth Reservoir (South Bay) is a well-documented local listing. Horsetooth's designated swim beaches at South Bay and Sunrise Beach are Fort Collins' summer headquarters, with mountain views. Full details, maps, and safety notes are on its page.
When is the best time to swim near Fort Collins?
Local listings most often name June-September as the best season. Spring runoff can make rivers and creeks dangerously high — check local conditions before you go.