Highlight • Lake
Boulder Reservoir
Cycling
5.0
(29)
Mountain biking
5.0
(1)
Boulder Reservoir is a prominent 700-acre man-made lake nestled in the northern part of Boulder, Colorado, at an elevation of approximately 1573 meters. This vital body of water serves as both a crucial water storage facility for the City of Boulder and a vibrant recreational hub within the Boulder Reservoir Regional Park. With picturesque views of the iconic Flatirons, it offers a unique blend of mountain scenery and lakeside enjoyment, making it a beloved destination in the Front Range region.
Visitors consistently praise the diverse opportunities for outdoor activity and the stunning natural beauty surrounding the reservoir. Many are drawn to the far-reaching views of the foothills and the Flatirons, which provide a spectacular backdrop for any adventure. The traffic-free lakeside trails are particularly popular, offering an ideal setting for cycling, running, and leisurely walks, perfect for families, groups, or solo explorers. The expansive swim beach, one of Colorado's largest, allows for sunbathing with mountain vistas, creating a truly unique "beach or mountains" experience.
Before heading out, it's helpful to know that Boulder Reservoir is easily accessible, located just about 15 minutes from central Boulder. For those planning water activities, all watercraft require a City of Boulder boat permit, which can be obtained on-site. The park provides convenient amenities such as lifeguards during swimming hours, snack shops, and rental options for paddleboards and kayaks, ensuring a comfortable and enjoyable visit. Ample parking is available, especially for the numerous events hosted here throughout the year.
The reservoir is a year-round destination, offering a wide array of activities depending on the season. In warmer months, it's a hotspot for boating, swimming, sunbathing, and water skiing, with opportunities for sailing lessons. Anglers can enjoy fishing for walleye, smallmouth bass, and rainbow trout, while winter brings the chance for ice fishing when conditions allow. On land, miles of trails cater to walking, running, and cycling, including the popular 5.3-mile Boulder Reservoir Loop Trail. The area is also rich in wildlife, with sightings of osprey, herons, and prairie dogs common.
The Boulder Reservoir Loop Trail is a particular highlight for many, offering a relatively flat and accessible path that encircles the lake. This 5.3-mile route is ideal for a scenic run, a family bike ride, or a peaceful walk, providing continuous views of the water and surrounding landscape. Its gentle terrain makes it suitable for most fitness levels, allowing everyone to enjoy the natural beauty and fresh air.
Beyond the trails, the reservoir offers countless memorable moments. Imagine picnicking by the water's edge with the Flatirons towering in the distance, or spotting an osprey diving for fish. The vibrant atmosphere during one of the many fitness events, like a triathlon or 5K race, adds an exciting energy to the park. Whether you're seeking a quiet escape or an active day out, the combination of water sports, land activities, and stunning views creates a truly special experience.
To fully explore the diverse offerings of this area, consider planning your visit with komoot. You can discover a variety of running trails, biking routes, and walking paths that cater to different preferences and abilities. From leisurely strolls to challenging runs, komoot helps you find the perfect way to experience the Boulder Reservoir's natural beauty and recreational opportunities, ensuring you make the most of your time in this exceptional Colorado destination.
Tips
May 26, 2022
Cycling
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Nearby routes
Best routes near Boulder Reservoir
3.0
(1)
16
riders
22.8km
01:58
110m
110m
Embark on an easy touring cycling adventure along the Boulder Reservoir and Boulder Valley Ranch Loop, a route spanning 14.2 miles (22.8 km) with a gentle elevation gain of 359 feet (109 metres). This ride, typically completed in about 1 hour and 57 minutes, offers a tranquil journey through varied landscapes. You will pedal past the continuous water and mountain views surrounding Boulder Reservoir, then transition into the open ranch lands of Boulder Valley. Keep an eye out for the iconic Flatirons in the distance and enjoy the rolling farmland, barns, and horses as you cycle through the ranch. The trail provides a pleasant experience for anyone looking for a relaxed ride.
Planning your visit to the Boulder Reservoir and Boulder Valley Ranch Loop is straightforward, as the route is accessible year-round. It dries quickly after snow, making it a good option even during winter months. You will find public restrooms, picnic spots, and boat rentals available at Boulder Reservoir, which can be a convenient starting or resting point. Remember that this is a multi-use area, so you will be sharing the path with hikers, runners, and horseback riders, and dogs are also permitted. Consider starting your ride in the morning to enjoy the peaceful atmosphere.
This route stands out for its unique blend of natural beauty and agricultural charm, offering far-reaching vistas of the foothills. As you cycle through the ranch areas, you might spot local wildlife and even rare butterflies, adding an unexpected element to your tour. The combination of water views, mountain backdrops, and working farmland makes this loop a distinctive experience within the Boulder-Open Space and Mountain Parks system.
6
riders
47.4km
03:08
210m
210m
Cycle the moderate 29.4-mile LOBO Trail loop, connecting Longmont, Boulder Reservoir, and Gunbarrel with scenic foothills views.
7
riders
42.3km
03:01
420m
420m
Embark on a touring bicycle adventure through the Boulder Valley Ranch and Olde Stage Loop, a moderate 26.3-mile (42.3 km) route that takes about 3 hours and 1 minute to complete. You will gain 1376 feet (419 metres) in elevation, experiencing varied landscapes from wide dirt roads to challenging paved climbs. As you cycle, enjoy beautiful views of the foothills and the Boulder Reservoir from the Boulder Valley Ranch section, with opportunities to spot local wildlife. From the mesa, you can see fantastic vistas onto the iconic Flatirons, before tackling the classic Front Range scenery of the Olde Stage Road climb.
Before you head out, remember to check for muddy trail closures at Boulder Valley Ranch, as conditions can lead to temporary access restrictions. This route combines both paved and unpaved sections, so a gravel bike or a sturdy touring bike with appropriate tires is recommended for the best experience. Olde Stage Road is a shared road with moderate car traffic, so stay alert and aware of your surroundings. Plan your visit to account for these conditions and ensure a smooth ride.
This loop offers a diverse experience through Boulder Open Space and Mountain Parks, showcasing the picturesque scenery of the Boulder area. You will encounter a mix of multi-use trails and road sections, providing a dynamic ride that highlights the natural beauty of the region. The route is notable for its blend of open ranch lands and scenic mountain road climbing, making it a comprehensive tour of Boulder's varied terrain.
Details
Informations
Elevation 1,570 m
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Friday 15 May
29°C
12°C
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Frequently Asked Questions
What are the fees and permits required to access Boulder Reservoir?
Access to Boulder Reservoir Regional Park requires an entrance fee, which varies for residents and non-residents. Additionally, specific activities like boating necessitate a City of Boulder boat permit. It's advisable to check the official City of Boulder Parks and Recreation website for the most current fee schedule and permit requirements before your visit.
Are there specific rules for bringing dogs to Boulder Reservoir?
Boulder Reservoir has a pet policy in place to ensure the enjoyment and safety of all visitors and wildlife. Generally, dogs are permitted on trails and in designated areas but must be kept on a leash. There may be restrictions on dogs in certain areas like the swim beach or during specific events. Always clean up after your pet and observe all posted signage regarding pet access.
What are the best trails for running or cycling at Boulder Reservoir, and what is their difficulty?
The most popular trail for running and cycling is the 5.3-mile Boulder Reservoir Loop Trail. This trail is generally considered easy due to its relatively flat terrain and paved or well-maintained gravel surface, making it suitable for all fitness levels and families. It offers continuous views of the water and surrounding landscape. While the intro mentions the loop, this answer specifies its difficulty and surface.
How accessible is Boulder Reservoir via public transport, and what are the parking options?
Boulder Reservoir is approximately 15 minutes from central Boulder by car, and ample parking is available on-site. However, parking lots can fill up quickly, especially on weekends and during special events. For public transport, you would typically need to combine an RTD bus route with a walk or bike ride, as direct bus service to the entrance may be limited. Checking RTD schedules for routes serving the northern Boulder area is recommended.
What unique wildlife can visitors expect to see at Boulder Reservoir?
Boulder Reservoir is a haven for various wildlife. Beyond common sightings, visitors often spot osprey diving for fish, various raptors, and herons near the water. On land, you might encounter owls, rabbits, snakes, and prairie dogs. The reservoir's diverse habitats support a rich ecosystem, making it an excellent spot for wildlife viewing.
What are the best activities for families with young children at Boulder Reservoir?
Boulder Reservoir is very family-friendly. Besides the expansive swim beach with lifeguards, families can enjoy easy walks or bike rides on the 5.3-mile loop trail, picnicking at one of the 13 designated sites, and renting paddleboards or kayaks. The park also features sand volleyball courts and horseshoe pits, providing a variety of options for all ages.
Are there any cafes, pubs, or accommodation options directly near Boulder Reservoir?
While Boulder Reservoir itself offers snack shops during peak season, there are no cafes, pubs, or hotels directly adjacent to the park. For dining and accommodation, visitors will find numerous options within a 10-15 minute drive in central Boulder, ranging from casual eateries to upscale restaurants and various hotel choices.
What are the specific conditions for winter access and activities at Boulder Reservoir?
Boulder Reservoir remains accessible in winter, offering a different experience. When conditions allow, ice fishing becomes a popular activity. Trails are generally open for walking and running, though they may be snow-covered or icy, requiring appropriate footwear. Always check the park's official website for current conditions and any specific closures or safety advisories during winter months.
What is the maximum depth of Boulder Reservoir, and how does it get its water?
Boulder Reservoir has a maximum depth of 28 feet. It primarily receives its water from Colorado's Western Slope through the Alva B. Adams Tunnel and the Boulder Feeder Canal, both integral parts of the Colorado-Big Thompson Project. This system ensures a consistent water supply for municipal use in Boulder and agricultural purposes.
Can I rent equipment for water activities at Boulder Reservoir?
Yes, visitors can rent equipment for various water activities directly at Boulder Reservoir. Rental options typically include paddleboards and kayaks, making it convenient for those who don't own their own gear to enjoy the water. Sailing lessons are also available for those interested in learning to sail.