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Routes
Road cycling routes
United States
Colorado
Boulder County
Boulder

Loop around the Rabbit Mountain

Moderate

5.0

(6881)

6,882

riders

Loop around the Rabbit Mountain

02:31

57.7km

480m

Road cycling

Embark on a moderate racebike journey around Rabbit Mountain, covering 35.9 miles (57.7 km) with a total elevation gain of 1586 feet (483 metres). This route, typically completed in about 2 hours and 31 minutes, offers expansive views across the Ron Stewart Preserve. You'll cycle through grass and scrubland, experiencing…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Boulder Open Space and Mountain Parks

Buckingham Park

Waypoints

A

Start point

Parking

Get Directions

1

9.67 km

Old Stage Road (Lee Hill to Olde Stage Overlook)

Highlight (Segment) • Climb

Short climb keep spinning

Tip by

2

14.6 km

Lefthand Canyon (36 to Olde Stage)

Highlight (Segment) • Canyon

The initial section of Lefthand Canyon from 36 is easier than the upper sections and a great place to warm up the legs for some climbing! As you follow Lefthand …

Tip by

3

36.2 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

B

57.7 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

32.5 km

17.8 km

7.33 km

115 m

< 100 m

Surfaces

53.5 km

4.32 km

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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 (1,930 m)

Lowest point (1,540 m)

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Weather

Powered by Foreca

Today

Wednesday 1 July

29°C

12°C

16 %

Additional weather tips

Max wind speed: 14.0 km/h

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Frequently Asked Questions

Where can I park for the Loop around the Rabbit Mountain route?

You can find ample parking, including ADA spots, at the trailhead for the Ron Stewart Preserve at Rabbit Mountain. The preserve also offers restrooms and picnic tables at this location.

Are dogs allowed on the Loop around the Rabbit Mountain route?

The Ron Stewart Preserve at Rabbit Mountain has specific regulations regarding dogs. Generally, dogs are permitted on leash in designated areas. It's always best to check the official Boulder County Parks & Open Space website for the most current rules before your visit.

What is the best time of year to cycle the Loop around the Rabbit Mountain?

This route is accessible year-round, as the roads generally dry quickly even after precipitation. However, for the most comfortable cycling experience, spring and fall offer pleasant temperatures. Be prepared for sun exposure due to minimal tree coverage, especially during summer.

Are there any permits or entrance fees required for the Ron Stewart Preserve at Rabbit Mountain?

No, there are no entrance fees or permits required to access the Ron Stewart Preserve at Rabbit Mountain for day use. However, always check the Boulder County Parks & Open Space website for any updates or specific regulations.

How challenging is this road cycling route?

The 'Loop around the Rabbit Mountain' is rated as moderate. It covers approximately 57.7 km with about 480m of elevation gain. While generally on well-paved roads, some segments might be unpaved or more challenging, requiring a good level of fitness.

What kind of terrain can I expect on this cycling route?

The route primarily follows well-paved roads, making it suitable for race bikes. However, be aware that some moderate sections might include unpaved or rougher surfaces. The surrounding landscape is characterized by grass and scrubland with minimal tree coverage.

What kind of scenery and wildlife can I expect to see?

You'll experience beautiful natural scenery with expansive views of the Boulder County foothills. The Ron Stewart Preserve is rich in wildlife, so keep an eye out for prairie dogs, lizards, snakes, mule deer, elk, and various bird species like falcons, hawks, and eagles. Mountain lions are also present in the area, though rarely seen.

Are there any notable points of interest along the route?

Yes, the route includes several points of interest. You'll pass through Lefthand Canyon, known for its scenic beauty. There's also the challenging Old Stage Road (Lee Hill to Olde Stage Overlook) climb, and you can find amenities at The Mountain Fountain.

Are there facilities or places to refuel along the way?

Yes, The Mountain Fountain is a highlight along the route, offering a convenient stop for refreshments. Additionally, the trailhead at Ron Stewart Preserve provides restrooms and picnic tables.

Does the route intersect other well-known paths?

Yes, the route briefly intersects with several other paths, including sections of the Longmont-to-Boulder (LOBO) Regional Trail, BERT (Boulder to Erie Regional Trail), and the Foothills Parkway Path.

What's an insider tip for cycling this route?

Given the minimal tree coverage, starting your ride earlier in the morning, especially during warmer months, can help you avoid the strongest sun exposure. Always carry plenty of water, as shade is limited.

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