Diamond Lake Trail

The Diamond Lake 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 trail climbs uphill, up the other side of the valley.

Hike 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 (12923ft) in the foreground. When you’re ready, head back on the trail you came up on.

Hiking trail highlights

Diamond Lake

Marvel at this beautiful natural lake carved out by centuries of slow moving glacial movements and reserved with meltwater. Diamond Lake is pristine with crystal clear water and a stunning mountain ridge backdrop.

Hikers can kick off their boots and wade through the waters to cool off during the heat of summer, then settle on the bank for a picnic lunch and a rest. The surrounding valley offers an incredible wildflower variety also during the summer months.

Mount Jasper

Hikers can enjoy exquisite views of Mount Jasper off in the distance from the Diamond Lake trail. While hikers come from around the world to trek much of the Indian Peaks Wilderness, Mount Jasper is often overlooked—but can be climbed. The mountain is home to an emerald green lake and plenty of unique basins, so if you’re looking to tag on extra miles to your hike, consider conquering Mount Jasper.

If you want to find other great hikes in Indian Peaks Wilderness, check out the Lone Eagle Peak hike, Lake Isabelle trail, Rainbow Lakes trail or the Arapaho Glacier Trail.