Did you know that beneath the sparkling waters of Horsetooth Reservoir lies the submerged ghost town of Stout? This fascinating piece of Colorado history was relocated when the reservoir was created in 1949. Today, this 6.5-kilometer (4-mile) long reservoir spanning 1,900 hectares (4,700 acres) has transformed into one of Northern Colorado’s premier outdoor playgrounds, offering everything from world-class hiking to water sports against a stunning Rocky Mountain backdrop.
Getting There & Planning Your Journey
Horsetooth Reservoir is conveniently located just 6.5 km (4 miles) west of Fort Collins, Colorado, making it easily accessible for both day trips and extended stays. The reservoir stretches north to south along the eastern edge of the foothills.
Closest Airports
- Denver International Airport (DEN) – 113 km (70 miles) southeast, approximately 1.5 hours by car
- Northern Colorado Regional Airport (FNL) – 19 km (12 miles) east, approximately 25 minutes by car (limited commercial service)
By Car
From Fort Collins, take Mulberry Street (CO-14) west until it becomes County Road 38E, which winds along the eastern shore of the reservoir. Alternatively, take Harmony Road west to County Road 38E for access to the southern entrance.
Entrance Fees
Daily entrance fee: $9 per vehicle (subject to change seasonally)
Annual Larimer County Parks Pass: $90
Camping fees: $30-$45 per night depending on amenities and season
Best Time to Visit & Weather Tips
Horsetooth Reservoir experiences distinct seasons, each offering unique recreational opportunities and scenic beauty. Understanding the seasonal patterns will help you plan the perfect visit.
Recommended Seasons
Summer (June-August)
Peak season with warm temperatures ranging from 27-32°C (80-90°F). Ideal for swimming, boating, and water activities. Arrive before 9:00 AM on weekends to secure parking and avoid crowds.
Late Spring (May) & Early Fall (September)
Pleasant temperatures between 18-24°C (65-75°F) with fewer crowds. Perfect for hiking, mountain biking, and fishing. Weekdays are especially peaceful.
Seasons to Avoid
Winter (December-February)
Temperatures often drop below freezing, 0-10°C (32-50°F). Limited water activities, though ice fishing is possible when conditions permit. Many facilities operate on reduced hours.
Holiday Weekends (Any Season)
Extremely crowded with limited parking. If you must visit during these times, arrive by 7:00 AM to secure a spot.
Summer mornings offer the perfect combination of cool water and fewer crowds. For the best experience, arrive before 9:00 AM, especially on weekends.
Getting Around Locally
Once you’ve arrived at Horsetooth Reservoir, you’ll need to know how to navigate between the various recreation areas, trails, and facilities.
By Car
County Road 38E runs along the eastern shore of the reservoir, connecting all major recreation areas. Each area has designated parking lots, though these fill quickly during peak times. The drive from the northernmost to southernmost access points takes approximately 20 minutes.
Hiking & Biking
A network of trails connects various parts of the reservoir. The Foothills Trail runs along portions of the eastern shore, allowing hikers and mountain bikers to travel between recreation areas without using the main road.
Boat Travel
Once on the water, you can access all parts of the reservoir by boat. This is often the most scenic and efficient way to explore different coves and beaches.
Parking Tip: Arrive before 9:00 AM during summer months and weekends to secure parking. Some lots may close as early as 10:00 AM when they reach capacity.
Where to Stay
Horsetooth Reservoir offers various accommodation options, from camping directly on the shoreline to comfortable lodging in nearby Fort Collins.
Camping at the Reservoir
Developed Campgrounds
- South Bay Campground: 24 campsites with electrical hookups, modern restrooms, and shower facilities. Reservations required.
- Inlet Bay Campground: 35 sites with electrical hookups, close to the marina and boat ramp.
- Satanka Bay: More primitive camping with vault toilets and beautiful views.
Cabins
Six cabins are available at South Bay, offering electricity, air conditioning, heat, and basic furnishings. These book months in advance during summer, so plan accordingly.
Contact for Reservations: Larimer County Parks at (970) 619-4570
Nearby Accommodations
Fort Collins (10-15 minutes away) offers numerous hotels, motels, bed and breakfasts, and vacation rentals at various price points. Staying in town provides easy access to restaurants, shopping, and nightlife while still being a short drive from the reservoir.
Dining & Local Cuisine
While dining options at Horsetooth Reservoir itself are limited, the area offers plenty of opportunities for picnicking, and nearby Fort Collins is known for its excellent food scene.
At the Reservoir
- Picnic Areas: Multiple designated picnic areas with tables and grills are available throughout the reservoir. Sunrise, Sunset, and South Bay areas have particularly scenic spots.
- Inlet Bay Marina: Offers basic snacks, drinks, and ice during the summer season.
Nearby Dining
Fort Collins, just 10-15 minutes away, offers an exceptional dining scene with over 400 restaurants. The city is particularly known for its craft breweries, farm-to-table restaurants, and diverse international cuisine.
Local Favorites Near the Reservoir
- The Forks: Historic restaurant and market located at the mouth of Poudre Canyon, about 15 minutes north of the reservoir.
- Vern’s Place: Classic roadside diner in LaPorte offering hearty breakfasts and famous cinnamon rolls.
- Bistro Nautile: Upscale dining in west Fort Collins featuring fresh seafood and seasonal ingredients.
Picnic Tip: Pack plenty of water, as the Colorado sun can be intense. Grocery stores in Fort Collins offer pre-made sandwiches, salads, and picnic supplies.
Attractions, Sightseeing & Activities
Horsetooth Reservoir is a recreational paradise offering diverse activities for visitors of all interests and abilities. From water sports to rock climbing, there’s something for everyone at this stunning mountain reservoir.
Water Activities
Boating & Watercraft
The reservoir allows motorized boats, sailboats, jet skis, and paddlecraft. Inlet Bay Marina offers rentals including pontoon boats, fishing boats, kayaks, and stand-up paddleboards.
Rental Information: Inlet Bay Marina (970) 223-0140
Swimming
Designated swim beaches at South Bay and Sunrise offer sandy shores and roped-off swimming areas. Note that these are swim-at-your-own-risk areas with no lifeguards on duty.
Land Activities
Hiking & Mountain Biking
Horsetooth Mountain Open Space and Lory State Park offer extensive trail networks with options for all skill levels. The iconic Horsetooth Rock Trail (2.5 km/1.5 miles one-way) rewards hikers with panoramic views of the reservoir and Front Range.
Rock Climbing
The distinctive rock formations around the reservoir provide excellent bouldering and rope climbing opportunities. Popular areas include Rotary Park and the “Duncan’s Ridge” area.
Fishing
Horsetooth Reservoir is home to smallmouth and largemouth bass, walleye, trout, bluegill, and other species. Shore fishing is popular, though boats provide access to more productive areas. A valid Colorado fishing license is required ($13.50 for a one-day license).
Museums, Cultural Spots & Festivals
While Horsetooth Reservoir itself is primarily a natural attraction, the surrounding area offers rich cultural experiences that complement your outdoor adventures.
Historical Interest
- Stout Ghost Town: Before the reservoir was created, the town of Stout occupied this valley. During low water levels, remnants of the town’s foundations can sometimes be seen. Scuba divers can explore more of these underwater ruins.
- Lory State Park Homestead Cabins: These preserved structures showcase the area’s ranching history.
Nearby Cultural Attractions
Fort Collins Museum of Discovery
Located 15 minutes from the reservoir, this museum blends science, history, and culture with interactive exhibits about the region’s natural and cultural heritage.
Old Town Fort Collins
The historic downtown district offers charming architecture, art galleries, and boutiques. It famously inspired Disneyland’s Main Street USA design.
Annual Events
- Horsetooth Open Water Swim (August): Competitive swimming event with various distance options.
- Horsetooth Half Marathon (April): Scenic race route along the reservoir and into Fort Collins.
- Colorado Brewers’ Festival (June): Celebrated in nearby Fort Collins, featuring local craft breweries.
Nature & Outdoor Experiences
Horsetooth Reservoir is nestled in a stunning natural setting that offers diverse ecosystems and abundant wildlife viewing opportunities beyond the water activities.
Notable Natural Features
Horsetooth Rock
This distinctive rock formation resembling a horse’s tooth rises 2,200 meters (7,255 feet) above sea level. The moderate 2.5 km (1.5-mile) hike to its summit offers spectacular 360-degree views.
Horsetooth Falls
A scenic 1.2 km (0.8-mile) hike leads to this beautiful waterfall, which is most impressive during spring snowmelt (April-June). The trail is family-friendly with minimal elevation gain.
Wildlife Viewing
The reservoir and surrounding natural areas are home to diverse wildlife. Common sightings include:
- Mule deer and white-tailed deer
- Foxes and coyotes
- Various raptor species including bald eagles (winter) and osprey
- Wild turkeys
- Numerous songbird species
Plant Life
The area showcases typical Rocky Mountain foothills ecosystems, with ponderosa pine forests, mountain mahogany shrublands, and wildflower-rich grasslands. Spring and early summer bring colorful wildflower displays, including Indian paintbrush, wild iris, and golden banner.
Safety, Etiquette & Local Customs
Ensuring a safe and respectful visit to Horsetooth Reservoir requires awareness of several important considerations unique to this mountain environment.
Water Safety
- Life Jackets: Required for children under 13 on boats and recommended for all swimmers. Rangers regularly check for compliance.
- No Cliff Jumping: Strictly prohibited due to underwater hazards and fluctuating water levels.
- Weather Awareness: Afternoon thunderstorms are common in summer. Get off the water immediately if you see lightning or hear thunder.
Trail Safety
Wildlife Precautions: The area is home to rattlesnakes, black bears, and mountain lions. Stay alert, make noise while hiking, keep dogs leashed, and know appropriate responses for wildlife encounters.
- Altitude Considerations: At 1,655 meters (5,430 feet) elevation, visitors from lower elevations may experience mild altitude effects. Stay hydrated and pace yourself.
- Sun Protection: The Colorado sun is intense at this elevation. Wear sunscreen, sunglasses, and a hat, even on cloudy days.
Local Etiquette
- Leave No Trace: Pack out all trash and leave natural areas as you found them.
- Quiet Hours: Respect designated quiet hours (10:00 PM to 6:00 AM) in camping areas.
- Trail Etiquette: Yield to uphill hikers, keep right, and announce yourself when passing others.
Visitor Comments About Horsetooth Reservoir
“Horsetooth Reservoir quickly became our family’s favorite outdoor destination during our Colorado vacation. The hiking trails offer something for everyone, from our 7-year-old to grandparents. We particularly loved the Horsetooth Falls trail for its manageable distance and beautiful reward at the end. Tip: arrive early for parking and bring plenty of water!”
“As an avid fisherman, I’ve visited many reservoirs across the country, but Horsetooth offers a special combination of scenic beauty and great fishing. I caught several nice smallmouth bass near the rocky shorelines. The morning light on the water with the mountains in the background made for an unforgettable experience.”
“My first visit to an American reservoir was at Horsetooth, and it exceeded all expectations! The water was surprisingly clear and perfect for swimming. We rented a pontoon boat for the day and explored different coves. The contrast between the water and the dramatic rock formations creates a landscape unlike anything I’ve seen before.”
Additional Nearby Destinations
While Horsetooth Reservoir offers enough activities to fill multiple days, the surrounding region boasts several other outstanding destinations worth exploring.
Cache la Poudre River Canyon
Colorado’s only designated Wild and Scenic River offers outstanding fishing, whitewater rafting, and scenic drives just 20 minutes north of Horsetooth Reservoir.
Rocky Mountain National Park
One of America’s most spectacular national parks is just 45 minutes west, featuring alpine scenery, wildlife viewing, and over 480 km (300 miles) of hiking trails.
Lory State Park
Adjacent to Horsetooth Reservoir’s western shore, this park offers additional hiking and mountain biking trails, rock climbing, and horseback riding opportunities.
Fort Collins Attractions
- New Belgium Brewing: Take a tour of this famous craft brewery, just 15 minutes from the reservoir.
- Gardens on Spring Creek: Beautiful botanical gardens featuring native Colorado plants and educational exhibits.
- Poudre River Trail: Paved recreational trail perfect for biking, running, or leisurely walks along the river.
Practical Travel Tips
Make the most of your Horsetooth Reservoir visit with these insider tips and practical advice.
Essential Items to Bring
- Water: Bring more than you think you’ll need. The dry climate and elevation increase dehydration risk.
- Sun Protection: Sunscreen (SPF 30+), sunglasses, hat, and lightweight long-sleeve options.
- Layers: Mountain weather can change rapidly. Bring a light jacket even on warm days.
- Footwear: Sturdy shoes for hiking trails; water shoes for swimming areas with rocky bottoms.
Money-Saving Tips
- Purchase an annual Larimer County Parks Pass ($90) if you plan to visit more than 10 times in a year.
- Visit on weekdays for reduced crowds and easier parking.
- Pack your own food and drinks for picnicking instead of dining out.
- Consider camping at the reservoir instead of staying in hotels for a more economical and immersive experience.
Technology Tips
- Cell Service: Coverage is generally good around the reservoir but can be spotty in some canyons and on trails.
- Weather Apps: Download a reliable weather app for monitoring afternoon thunderstorms.
- Offline Maps: Download offline maps before hiking in areas with limited connectivity.
Nature’s Playground Awaits Your Discovery
Horsetooth Reservoir stands as a testament to Colorado’s perfect blend of accessible outdoor recreation and stunning natural beauty. Whether you’re seeking adrenaline-pumping water sports, peaceful hiking trails with panoramic views, or simply a tranquil spot to watch the sunset paint the water in golden hues, this mountain oasis delivers unforgettable experiences for visitors of all ages and interests.
As you plan your visit, remember that the early bird truly gets the worm at Horsetooth—arriving early not only secures your parking spot but often rewards you with wildlife sightings, glassy calm water, and that special mountain serenity before the day’s crowds arrive. Pack your sense of adventure, respect for nature, and camera to capture memories that will last long after your sunscreen has washed away.
The above is subject to change.
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