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Routes
Road cycling routes
United States
Colorado
Boulder County
Lafayette

The Mountain Fountain – Coot Lake Dock loop from Bullhead Gulch Open Space

Routes
Road cycling routes
United States
Colorado
Boulder County
Lafayette

The Mountain Fountain – Coot Lake Dock loop from Bullhead Gulch Open Space

Hard

4.9

(8717)

9,449

riders

The Mountain Fountain – Coot Lake Dock loop from Bullhead Gulch Open Space

05:59

139km

850m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is right next to a parking lot.

Last updated: May 22, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 57.8 km for 212 m

After 58.7 km for 191 m

After 110 km for 2.05 km

After 124 km for 83 m

Waypoints

A

Start point

Parking

Get Directions

1

8.05 km

Sawhill Ponds Wildlife Preserve

Highlight • Lake

The Sawhill Ponds Wildlife Preserve offers access to a dozen pools of water, trails, picnic areas, restrooms, and plentiful parking. This is a great place to find a sense of nature without getting too far from the city.

Tip by

2

25.8 km

The Mountain Fountain

Highlight • Rest Area

The Mountain Fountain is a great little country store in the tiny town of Hygiene in an old grocery store that was built in 1945. It is an extremely well-known …

Tip by

54.9 km

Cottonwood Run Natural Area

Nature Reserve

4

55.5 km

Big Thompson River View

Highlight • Viewpoint

Riding the "Loveland Loop" can get confusing. The Loop signs can be tough to read, but it's fun to make it all the way around town.

Tip by

58.8 km

Oxbow Natural Area

Nature Reserve

6

110 km

Sunflower Silo

Highlight • Monument

The Sunflower Silo is a well-known landmark for Boulder cyclists. Just south of the small town of Hygiene, the Sunflower Silo is along a scenic section of smooth gravel road nestled among spread out, rural farms.

Tip by

7

124 km

Coot Lake Dock

Highlight • Lake

There is a wooden dock really close to the parking area at Coot Lake that looks over the water. Some great photography of the Boulder Peaks can be taken from here.

Tip by

B

139 km

End point

Parking

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Way Types & Surfaces

Way Types

84.5 km

45.0 km

5.61 km

2.47 km

680 m

379 m

171 m

Surfaces

128 km

7.17 km

2.81 km

487 m

275 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,670 m)

Lowest point (1,520 m)

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Weather

Powered by Foreca

Today

Monday 13 July

36°C

16°C

0 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

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Description

The Mountain Fountain – Coot Lake Dock loop from Bullhead Gulch Open Space is a challenging road cycling route that will test your endurance, covering 86.1 miles (138.6 km) with 2798 feet (853 metres) of elevation gain over an estimated 5 hours and 59 minutes. This difficult ride is best suited for experienced cyclists looking for a long day in the saddle with varied terrain, offering a unique blend of scenic views and multi-use path navigation.

What to expect on The Mountain Fountain – Coot Lake Dock loop from Bullhead Gulch Open Space

As you embark on this extensive loop, you'll experience a mix of surfaces, which is crucial for racebike riders to note. While some sections are paved, expect to encounter unpaved gravel and even dirt multi-use paths, particularly around Coot Lake and within Bullhead Gulch Open Space. The Coot Lake area itself offers picturesque views of the Flatirons and Longs Peak on clear days, and it's a haven for birdwatching, with species like ospreys and bald eagles. Be prepared to share the path with pedestrians and dog walkers, especially around the lake, which means you'll need to maintain awareness and adjust your speed. This route demands a difficult level of effort, not just from the distance and elevation, but also from adapting to the changing trail conditions.

Planning your visit

Given the varied terrain, this loop is best tackled on a dry day to avoid muddy conditions around Coot Lake. There is little tree cover, so plan for sun exposure, especially during warmer months. Parking is available at Bullhead Gulch Open Space, which serves as a convenient starting point. Since the Coot Lake area is a popular multi-use space, consider starting early to enjoy quieter paths, though you should always expect to share the route with others.

Trail details

  • Distance: 86.1 miles (138.6 km)
  • Elevation gain: 2798 feet (853 metres)
  • Difficulty: difficult
  • Estimated time: 5 hours and 59 minutes

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