Diamond Lake Trail

Indian Peaks
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Diamond Lake Trail

Distance: 9.2km
Elevation: 361m
Time: 3-4.5h

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This is a nice, half-day hike that takes you out to a crystal clear alpine lake with stunning mountain views. We love this longer hike because the terrain is exciting, and Diamond Lake is remarkable. We recommend putting in the hours for this trek. It’s worth it.

Getting there

From the Nederland traffic circle, take the 3rd exit, South onto N Bridge St./Peak to Peak Hwy. Turn right on Eldora Rd. Continue on Hessie Road where it turns to gravel. Take a Right on 4th of July Rd up to the parking.


When to do

Early June to Late September

Backcountry Campsites

Around Diamond Lake



Family friendly


Route Signage


Crowd Levels


Route Type

Out and back


Detailed Description

The trailhead begins at the end of 4th of July Road. You will begin on Arapaho Pass Trail from a well-marked trailhead with a map of the surrounding area. From the trailhead you can look down the valley and see Eldora Mountain Ski Resort.

The trail slowly gains elevation as it traverses along the valley through the thick pine forest. Arriving at a trail junction and sign, you will continue towards Diamond Lake and slowly descend down into the valley.

At the bottom of the valley, you will arrive at a bridge and creek crossing with a small waterfall upstream. From the bridge the trails climbs uphill, up the other side of the valley.

You will be hiking through another thick pine forest until you reach the edge of the lake. The views around Diamond Lake open up to display peaks in the distance and Mount Jasper (3939m) in the foreground. When you’re ready, head back on the trail you came up on.

Insider Hints

  • Visit the Town of Nederland, and grab a bite at Crosscut Pizzeria & Taphouse or a beer at the Very Nice Brewing Company after your hike.

  • High clearance 4x4 vehicles are not required to make it up the gravel road, but it wouldn’t hurt!

  • Plan for hiking over rocks and roots, and don’t be surprised if there is water on the trail; during late spring and summer, water runoff from the high mountains will continually keep this trail wet.


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