Just west of Fort Collins, Horsetooth Reservoir stretches 6.5 miles along the Dakota Hogback, offering an impressive mix of adventure and natural beauty. Formed in 1949 as part of the Colorado-Big Thompson Project, it supplies municipal water and irrigation—but it’s also a powerhouse for outdoor fun. Boating, swimming, paddleboarding, and fishing for walleye and smallmouth bass are top draws. Hiking and biking trails loop around the reservoir, while bouldering along the shoreline is a favorite among climbers. Cliff diving is prohibited, but the views from South Bay Swim Beach and Lory State Park are unforgettable. With 1,900 acres of public land and nearly 600,000 annual visitors, Horsetooth is Northern Colorado’s lake-life centerpiece.
- Surface area (mi)
- 4.78
- Max depth (ft)
- 200.13
- Elevation (ft)
- 5433.07
- Shoreline length (mi)
- 24.85
Ideal for
- Family friendly:
- Pet friendly:
- Romantic getaways:
Popular activities
- Boating
- Waterskiing
- Swimming
- Fishing
- Hiking
- Cross-country Skiing
Islands
Amidst the shimmering waters of Colorado’s Horsetooth Reservoir, small islands emerge like secretive oases, each brimming with opportunity for exploration and escape. These islands, often overlooked, are ideal spots for boating enthusiasts and nature lovers alike. Rich in local lore, the area is steeped in tales from the mid-1800s when settlers roamed the land and left behind remnants like the old stone structures on the main island, which stand as historical landmarks, whispering stories of the past. Hiking trails meander through lush vegetation, leading to stunning viewpoints that offer breathtaking panoramas of the surrounding foothills—a favorite for photographers seeking the perfect shot. The islands provide ample recreational space for picnicking, fishing, or simply soaking up the sun, making them hidden gems that invite visitors to reconnect with nature while uncovering the historical tapestry woven into the very fabric of the landscape.
Nearby amenities
For travelers seeking outdoor activities and relaxation, Horsetooth Reservoir offers a range of amenities. Enjoy water access with the Horsetooth Marina, which provides boat rentals, jet ski rentals, and a public dock for easy launching. There is also a designated canoe and kayak launch area to cater to paddlers. For dining, the lakeside restaurant, The Cove, serves delicious meals with scenic views, while a nearby convenience store ensures easy access to snacks and essentials. For those camping overnight, the campground offers tent sites and RV hookups. Outdoor enthusiasts will appreciate the well-marked hiking and mountain biking trails, providing stunning vistas of the reservoir. Additionally, ample day-use parking and accessible paths make exploring the area easy for all visitors. Facilities such as restrooms, picnic areas with BBQ grills, and a visitor information center enhance the experience. With a range of activities, dining, and essential services, Horsetooth Reservoir is perfect for a memorable getaway.
Frequently Asked Questions
Ready to dive into what Horsetooth Reservoir has to offer? Let’s tackle some of the burning questions you might have as you plan your visit!
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Yes, you can swim at Horsetooth Reservoir. There are two swim beaches: one at the South Bay Campground and another at the Sunrise Day Use Area. Swimming is permitted from sunrise to sunset.
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Horsetooth Reservoir is a popular destination because it offers a variety of recreational activities. Visitors can enjoy fishing, boating, camping, swimming, scuba diving, rock climbing, and water skiing. The reservoir is surrounded by 1,900 acres of public lands and has trails for hiking, biking, and other outdoor activities.
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Yes, there are specific fishing regulations at Horsetooth Reservoir. For smallmouth bass, the minimum size limit is 12 inches. Fishing is also prohibited in the inlet area from March 15 to May 31.
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The South Bay beach at Horsetooth Reservoir is best for families. It has a sandy beach, a swim area, and is close to the campground and Group Pavilion. This makes it convenient for families to spend the day together.
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Horsetooth Reservoir is near the towns of Fort Collins, Loveland, and Windsor. It is located west of Fort Collins, which is about a ten-minute drive away. Other nearby towns include Greeley, Evans, and Erie.