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Grass Valley Reservoir – New Castle loop from Silt

Grass Valley Reservoir – New Castle loop from Silt

Moderate

3.5

(5)

riders

Grass Valley Reservoir – New Castle loop from Silt

01:48

37.9km

490m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: August 2, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Harvey Gap State Park

Waypoints

Start point

Parking

Get Directions

9.35 km

Grass Valley Reservoir

Highlight • Lake

Grass Valley Reservoir, located in Harvey Gap State Park, is a scenic lake set amid the Rocky Mountains.

Tip by

24.3 km

New Castle

Highlight • Settlement

New Castle is just west of Glenwood Springs at 5,597 feet in elevation. The historic downtown area, with local restaurants and shops, is perfect for exploring on foot or bike.

Tip by

37.9 km

End point

Parking

Way Types & Surfaces

Way Types

34.4 km

2.80 km

721 m

Surfaces

37.6 km

Elevation

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

Weather

Today

Tuesday 25 August

32°C

17°C

44 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

Comments

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

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Grass Valley Reservoir – New Castle loop from Silt

Grass Valley Reservoir

New Castle

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