Horsetooth Reservoir, Colorado-Big Thompson Project, furnishes the main water supply for the Poudre Valley. The reservoir is 6.5 miles long, and is formed by four large earthfill dams. Developments include 4 campgrounds, 111 campsites, and 7 boat-launch ramps. A concession-operated public marina is located at the Inlet
Maybe — confirm before you go.
Reclamation honors the pass at only a handful of sites — confirm before you rely on it here.
- Fee type Fee unknown — The fee structure here is unconfirmed.
- Source Find on Recreation.gov ↗
- Last verifiedJuly 6, 2026 · Check
- Official pagewww.recreation.gov ↗
- Contact 970-679-4570 · www.parksoffice@co.larimer.co.us
Common questions
Quick Yes / No / Depends answers for Horsetooth Reservoir — always confirm with the managing site before you go.
Depends Does the America the Beautiful pass work here?
Maybe — Reclamation honors the pass at only a handful of sites — confirm before you rely on it here. Check with the managing agency before you go.
Yes Can you fish at Horsetooth Reservoir?
Yes — fishing is one of the listed activities here. You’ll need a valid state fishing license.
Yes Can you kayak, paddle, or boat here?
Yes — there’s water for boating and paddling at Horsetooth Reservoir. Hand-launched craft usually need no permit; motorized boats may need registration or a launch fee.
Yes Can you camp at Horsetooth Reservoir?
Yes — camping is available. Reserve ahead where required; you can check availability on Recreation.gov.
Depends Can you have a campfire?
Sometimes — campfires are subject to seasonal fire restrictions and bans. Always check current fire conditions first.
Yes Are there hiking trails?
Yes — trails here include Cathy Fromme Prairie Trail, Towers Trail, Nomad Trail, and more. Check length and difficulty before you go.
Yes Can you bike here?
Yes — biking is available at Horsetooth Reservoir. Confirm which roads or trails allow it.
Yes Can you bring a dog?
Generally yes — dogs are welcome when kept under control (usually leashed). Confirm any local rules.
Depends Are drones allowed?
Sometimes — often allowed away from wilderness and developed or crowded areas, with rules. Check locally before you fly.
Nearby sites
Arapaho & Roosevelt National Forests Pawnee NG
CheckThis Forest Service site may charge a fee your pass covers — confirm before you go.
Flatiron Reservoir
CheckReclamation honors the pass at only a handful of sites — confirm before you rely on it here.