Easy 2.2-mile round-trip waterfall hike requiring a Larimer County park permit, with seasonal flow that may dry by late summer.
Larimer County park entrance/parking permit required
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Based on this listing's approximate location — see the note on coordinates below.
Flow is seasonal and snowmelt-dependent; the falls run most reliably in spring and can dry to a trickle or stop by late summer (per Larimer County / Colorado Trail Explorer (COTREX) trail description).
Horsetooth Falls is an easy 2.2-mile round-trip hike in Fort Collins’ Horsetooth Mountain Open Space, accessed via Larimer County Natural Resources. The trail climbs through ponderosa pine forest to a moderate waterfall fed by snowmelt.
A Larimer County park entrance permit is required. Flow is highly seasonal and snowmelt-dependent, running most reliably in spring and potentially drying to nothing by late summer. Dogs are allowed but must be leashed.
Best visited April through June when spring snowmelt feeds the most reliable flow.
Best visited April through June when snowmelt feeds reliable flow; the falls run most reliably in spring and can dry to a trickle or stop entirely by late summer.
1 to 2 hours
Flow is seasonal and snowmelt-dependent; late-summer visits may find minimal or no water flowing.
Larimer County park entrance/parking permit required
Via a 2.2-mile round-trip trail rated easy by the managing agency.
Yes, per the managing agency's own page — but check current leash rules before you go.
There are 3 other waterfalls we track in Larimer County. All Colorado Front Range waterfalls →
larimer.gov
Larimer.gov official Horsetooth Mountain Open Space page confirms location, leashed-dogs rule, and entrance-permit requirement. COTREX — the state of Colorado's official trail database (trails.colorado.gov), trail manager listed as Larimer County Natural Resources — records the Horsetooth Falls Trail itself at 1.2 mi (182 ft gain); the commonly used out-and-back figure to the falls and back is used here. Checked Sept 2026.
Checked September 2026.