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New Castle – Grass Valley Reservoir loop from New Castle

Routes

Bike touring routes & trails

New Castle – Grass Valley Reservoir loop from New Castle

Hard

riders

New Castle – Grass Valley Reservoir loop from New Castle

02:30

38.1km

460m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: February 15, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Harvey Gap State Park

Waypoints

Start point

Bus stop

Get Directions

1.68 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

16.6 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

36.7 km

Medaris Mountain Trailhead

Highlight • Trail

There is a gravel parking lot at the base of the mountain from which you can access the small network of trails across the back of Medaris Mountain. You can …

Tip by

38.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

31.3 km

3.54 km

3.22 km

< 100 m

Surfaces

36.4 km

1.28 km

385 m

< 100 m

Elevation

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

Highest point (1,960 m)

Lowest point (1,690 m)

Weather

Today

Friday 8 May

24°C

4°C

0 %

Additional weather tips

Max wind speed: 24.0 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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New Castle – Grass Valley Reservoir loop from New Castle

New Castle

Grass Valley Reservoir

Medaris Mountain Trailhead

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