4.9
(8613)
8,614
runners
Boulder Reservoir Loop Trail
00:57
8.50km
30m
Running
Lace up for a refreshing jog around the Boulder Reservoir Loop Trail, a moderate 5.3 miles (8.5 km) route that typically takes about 57 minutes to complete. You'll experience a gentle elevation gain of 112 feet (34 metres) as you circle the water, offering continuous views of the iconic Flatirons and the expansive Front Range mountains. The path is mostly flat, providing a smooth surface for your run, though you will encounter one noticeable incline. This trail is perfect for those seeking a scenic workout with a mix of water and mountain vistas.
Before you head out, be aware that the Boulder Reservoir recreational area might charge an entrance fee, especially during certain times of the year, so plan accordingly. If you're bringing your dog, remember to check the specific regulations, as some areas or seasons may have restrictions. You will find convenient amenities like restrooms, water fountains, and benches available along the route for your comfort. Consider starting your jog early to enjoy the tranquil morning light over the water.
This popular route offers more than just a workout; it provides expansive views stretching from the eastern plains to the western peaks, creating a dynamic backdrop for your activity. The 700-acre Boulder Reservoir is a hub for local wildlife, so keep an eye out for various bird species and small mammals as you make your way around. It's an excellent choice for a recovery run or a beginner workout, thanks to its accessible terrain and engaging scenery.
Last updated: April 23, 2026
Waypoints
Start point
Parking
Get Directions
185 m
51st Street
Highlight (Segment) • Cycleway
Tip by
2.78 km
Boulder Reservoir
Highlight • Lake
Tip by
5.35 km
Coot Lake
Highlight • Lake
Tip by
8.50 km
End point
Parking
Way Types & Surfaces
Way Types
4.05 km
2.37 km
1.12 km
962 m
Surfaces
4.79 km
2.57 km
1.14 km
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Elevation
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Weather
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Today
Thursday 7 May
20°C
1°C
14 %
Additional weather tips
Max wind speed: 19.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
How long does it typically take to jog the Boulder Reservoir Loop Trail?
Based on average jogging speeds, you can expect to complete the Boulder Reservoir Loop Trail in approximately 55 to 60 minutes. The route is about 8.5 kilometers (5.25 miles) long.
Is the Boulder Reservoir Loop Trail suitable for beginner joggers?
Yes, this trail is largely considered easy and is very suitable for beginner joggers. It's mostly flat with minimal elevation changes, making it a great option for recovery runs or those new to jogging. There is one notable steep hill, but the rest of the route is quite manageable.
What is the terrain like on the loop?
The trail primarily features a well-maintained dirt and gravel surface, which is comfortable for jogging. You'll also encounter some paved sections, and parts of the loop involve running along the shoulder of a road. Overall, it's considered a flat trail with one steep hill.
What kind of scenery and viewpoints can I expect along the trail?
You'll enjoy stunning water views of the 700-acre Boulder Reservoir, with the iconic Flatirons and the broader Front Range mountains as a backdrop. The trail offers expansive vistas of both the eastern plains and western peaks. It's particularly picturesque during sunrise or sunset, and in the spring and fall.
Are there any specific highlights or points of interest along the route?
Yes, as you jog the loop, you'll pass by the beautiful Boulder Reservoir itself, and the serene Coot Lake. You'll also encounter the area around 51st Street, which is part of the route.
What wildlife might I see on the Boulder Reservoir Loop Trail?
The area is rich in birdlife, so keep an eye out for various species. You also have opportunities to spot local wildlife and small mammals along the route.
What is the best time of year to jog the Boulder Reservoir Loop Trail?
The trail is beautiful year-round, but it's particularly picturesque during spring and fall. Sunrise or sunset also offer stunning views. During warmer months, the reservoir is a hub for activities like boating and swimming, adding to the vibrant atmosphere.
Where can I park for the Boulder Reservoir Loop Trail?
Parking is available at the Boulder Reservoir recreational area. It's a popular spot, so arriving earlier in the day, especially on weekends, can help secure a good parking spot.
Are there any entrance fees or permits required for the Boulder Reservoir Loop Trail?
Yes, an entrance fee may be charged to access the recreational area, particularly during certain seasons. It's advisable to check the official Boulder Reservoir website for current fee schedules before your visit.
Is the Boulder Reservoir Loop Trail dog-friendly?
Dog regulations vary in the area. While some sections might be accessible, there are prohibitions in certain areas and at specific times of the year. It's best to check the latest regulations from the City of Boulder Parks and Recreation to ensure you comply with all rules regarding dogs.
Does the Boulder Reservoir Loop Trail connect with other trails?
Yes, the route incorporates sections of several other trails. You'll find yourself on parts of the Boulder Reservoir Trail, the Boulder Reservoir Dam (North) and (South) sections, and the Boulder Feeder Canal. It also briefly touches upon the Boulder Valley Ranch Trails and the Longmont-to-Boulder (LOBO) Regional Trail.