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Routes
Hiking trails & Routes
United States
Colorado
Summit County

Old Dillon Reservoir Trail

Easy

2.5

(11)

36

hikers

Old Dillon Reservoir Trail

00:54

3.47km

20m

Hiking

Embark on the Old Dillon Reservoir Trail for an easy hike spanning 2.2 miles (3.5 km), with a gentle elevation gain of 80 feet (25 metres). This route typically takes around 54 minutes to complete, offering a quick escape into nature. As you hike, you will be treated to spectacular…

Last updated: April 23, 2026

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Your route passes through a protected area

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Waypoints

A

Start point

Parking

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1

1.00 km

Tent campground

Highlight • Rest Area

Excellent spacious campsites on the lakeshore, with restrooms and stellar views, shaded by trees.

Tip by

2

1.37 km

Sentinel Island View

Highlight • Viewpoint

Lovely protected bay lined by forested shores on the island and the park to the west.

Tip by

3

1.38 km

A short gravel spur trail leads onto this peninsula with a good view of Heaton Bay

Tip by

4

1.96 km

Historic viewpoint

Highlight • Viewpoint

Don't miss this short excursion off the cycle path to an amazing viewpoint, with bench and shelter.

Tip by

B

3.47 km

End point

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Way Types & Surfaces

Way Types

3.19 km

258 m

< 100 m

Surfaces

3.11 km

224 m

124 m

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Elevation

Elevation

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Saturday 16 May

20°C

2°C

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This route was planned by komoot.

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Frequently Asked Questions

How difficult is the Old Dillon Reservoir Trail?

The Old Dillon Reservoir Trail is generally considered easy to moderate. It's a popular choice for beginners, families, and those looking for a shorter, less strenuous hike. The initial climb from the parking area to the reservoir is gradual, and the loop around the reservoir itself is largely flat. It's also a good option for acclimating to the altitude.

What is the terrain like on the trail?

The trail features a mix of rocky sections and gravel paths. The loop around the reservoir is mostly flat. During colder months, you might encounter packed snow or ice, so appropriate footwear is recommended.

What kind of views can I expect along the trail?

Hikers are treated to spectacular panoramic vistas. You'll see magnificent views of the Tenmile Range to the southwest and the Continental Divide to the south, including peaks like Mt. Guyot and Bald Mountain. Expansive views of Lake Dillon, Frisco, and Silverthorne are also prominent. Be sure to check out viewpoints like Sentinel Island View and Heaton Bay Overlook — Dillon Reservoir.

When is the best time to hike the Old Dillon Reservoir Trail?

The trail is beautiful year-round. It's particularly renowned for its vibrant scenery in September when the aspen trees turn a brilliant golden, making it a popular spot for fall colors. Wildflowers can be seen during warmer months. In winter, it's open for cross-country skiing and snowshoeing.

Is the Old Dillon Reservoir Trail dog-friendly?

Yes, the trail is dog-friendly! However, please ensure your dog remains on a leash at all times to protect wildlife and ensure a pleasant experience for all hikers.

Are there any permits or fees required for this trail?

No, there are no specific permits or entrance fees required to hike the Old Dillon Reservoir Trail. It is located within the White River National Forest, which generally does not require permits for day-use hiking.

Where can I park for the Old Dillon Reservoir Trail?

The trail has a dedicated parking area. It's conveniently located, but due to the trail's popularity, especially during peak seasons like fall, arriving earlier in the day is advisable to secure a spot.

How long does it typically take to complete the hike?

The hike around the Old Dillon Reservoir typically takes around 50 minutes to an hour to complete, covering a distance of approximately 3.5 kilometers (2.2 miles).

Does the trail intersect other well-known paths?

Yes, the route intersects with several other paths. It covers sections of the Dillon Reservoir Recpath, the TransAmerica Trail (Colorado), and the Great Divide Mountain Bike Route. A portion of the Mishler Trail also overlaps with this route.

What is the historical significance of the Old Dillon Reservoir?

The Old Dillon Reservoir, built in the 1930s, once supplied water to the original town of Dillon. This historic town is now submerged under the larger Dillon Reservoir, adding a unique historical context to your hike.

Are there any facilities or amenities along the trail?

There are benches strategically placed along the trail, offering spots to rest and enjoy the expansive views. While there isn't a dedicated campground directly on the trail, a Tent campground is located nearby. The reservoir is also open for fishing in the summer.

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