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Elevation Gain
?
Trail type
Loop
Distance
4.00 mi (6.44 km)
Warming hut
No
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The Dillon Nature Preserve is a family-friendly snowshoe trip or the perfect place for the beginning cross-country skier to learn a new sport on the mostly flat, wide trail to the West Portal of the Roberts Tunnel.

The 23.3-mile Harold D. Roberts tunnel was completed in 1962 after 20 years of construction. It serves as a route to divert water from Dillon Reservoir through the Continental Divide to Denver and its residents. The Denver Water Board even moved the town of Dillon to be able to build the tunnel. The town acquired the peninsula through an annexation with Denver Water in 1996, where it was named the Dillon Nature Preserve.

Despite over a million people annually traveling by the Dillon Nature Preserve on Highway 6 on their way to Keystone Resort just 3 miles down the road, the open space area feels a bit secluded. Begin by parking in the lot off Highway 6, then walk about a third of a mile along the bike path until you reach a gate to enter the preserve out on the peninsula. From here, hikers and skiers can take the scenic trail out to the West Portal, where the expansive mountain views of Tenmile and Gore Ranges take center stage. Retrace your steps to return back to the parking lot, or if snow conditions allow, take either Ridge Trail or Meadow Loop to return back. The two 2-mile trails are often obscured by snow after a storm, so if that’s the case, stick to the main trail. Along the way keep an eye out for fox, deer, squirrels, hawks and osprey. You might even see kiteboarders out on the frozen reservoir!

Logistics + Planning

Preferable season(s)

Winter
Spring
Summer
Fall

Congestion

Moderate

Parking Pass

Not Required

Pros

Easy access. Family friendly. Scenic.

Cons

Can get crowded.

Pets allowed

Yes, with restrictions

Trailhead Elevation

9,100.00 ft (2,773.68 m)

Net Elevation Gain

350.00 ft (106.68 m)

Address

Long Bow Ln
63
Dillon, CO 80435
United States

Features

Big vistas
Old-growth forest
Cross-country skiing

Location

Field Guide

Nearby Adventures

Nearby Lodging + Camping

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