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Boulder Reservoir – Lefthand Trail loop from 63rd St & Nautilus Dr

Boulder Reservoir – Lefthand Trail loop from 63rd St & Nautilus Dr

Moderate

2.9

(10)

riders

Boulder Reservoir – Lefthand Trail loop from 63rd St & Nautilus Dr

03:43

60.9km

380m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 30, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Boulder Open Space and Mountain Parks

Waypoints

Start point

Bus stop

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3.21 km

Boulder Reservoir

Highlight • Lake

With lakeside trails and far-reaching views of the foothills, cycling alongside Boulder Reservoir is wonderful. The traffic-free trails are great for families, group rides and solo expeditions. There are plenty of great picnic spots too, should you need a break.

Tip by

4.81 km

Boulder Reservoir

Highlight • Lake

Boulder Reservoir is sustained by two interconnecting dam walls. The water is open to fishing and swimming (in certain areas), and the trails around the lake are used heavily by …

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8.14 km

Boulder Valley Ranch

Highlight • Trail

The area of Boulder Valley Ranch is part of the Boulder Mountain Parks and offers natural trails over gentle hills. While you'll follow trails on your run, you'll get really nice views of the Rockies.

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10.3 km

Lefthand Trail

Highlight (Segment) • Trail

Great section going north from Sage trail. Nice views of the foothills with some swoopy smooth single track.

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32.7 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 …

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43.9 km

Lagerman Agricultural Preserve Singletrack Trails

Highlight • Trail

Could love more on the trails with soft and dry graves, some portion has hard rocks.

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45.0 km

Lagerman Agricultural Preserve

Highlight • Natural

The Lagerman Agricultural Preserve and Reservoir is a small nature preserve that birders, boaters, picnickers, bikers, runners, and dog-walkers can all enjoy. You get great views of the foothills over …

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55.8 km

Washboard Road in Boulder Open Space

Highlight • Trail

Though the mud after days of sunshine after winter storm became smooth and look nice. However, there are still cars going through and the washboards could be so bumpy. Especially, …

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60.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

24.8 km

11.8 km

10.9 km

10.6 km

2.72 km

113 m

Surfaces

22.1 km

21.2 km

15.4 km

2.20 km

Elevation

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

Highest point (1,690 m)

Lowest point (1,540 m)

Weather

Today

Saturday 16 May

26°C

13°C

68 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Boulder Reservoir – Lefthand Trail loop from 63rd St & Nautilus Dr

Boulder Reservoir

Boulder Reservoir

Boulder Valley Ranch

Lefthand Trail

The Mountain Fountain

Lagerman Agricultural Preserve Singletrack Trails

Lagerman Agricultural Preserve

Washboard Road in Boulder Open Space

Nearby routes

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