Diamond Lake Trail

Description:
The Diamond Lake Trail begins on the Arapaho Pass Trail about a mile from the Fourth of July Trailhead. From the Arapaho Pass Trail, this trail descends about .6 miles to the North Fork of Middle Boulder Creek. The trail is very wet in spots due to many small streams flowing down the slope to the creek at the bottom of the valley. It crosses the North Fork Middle Boulder Creek over a log bridge with a railing. From the other side of the creek, the trail winds its way through spruce forest and wet meadows as it ascends about .9 miles to Diamond Lake. It can be quite muddy in spots. Log bridges are provided in some of the wetter areas.
Diamond Lake sits on a bench with a large grassy meadow to the north and east. The trail is a fairly gentle climb most of the way until you get near the top where it becomes more moderate. Once on top it is fairly level. The trail splits just past the meadow, with the right fork leading to the lake and the left fork continuing another 2.1 miles to join the Devils Thumb Trail just east of Jasper Lake. There are ten designated campsites around the lake. Site one is reserved for organized groups with six or more people. Camping is permitted in designated sites only and campfires are not allowed. There is a trail that travels about two thirds of the way around the lake.

Fishing is good for rainbow, cutthroat, and brook trout in the lake. Camping is permitted at designated sites only in the area around Diamond Lake. Both day use and overnight use of this trail is very high. Hiking on the trail is of low to moderate difficulty. It takes about one hour to hike from the Arapaho Pass Trail to the lake.


Features:

Length: 3.6 miles (5.8 kilometers)
Elevation Range: 10,560' - 11,178'
Elevation change: 951 feet
Season: July 1 - Sept 15
Difficulty: Moderate
Use: High
USGS maps: East Portal, Monarch Lake
Trailheads: Fourth of July, Hessie
Restrictions: Pets must be on a leash, no campfires, designated camping around Diamond Lake
Suitable for mountain bikes: No (no bicycles in wilderness)
Suitable for horses: Not permitted

Vicinity Map

Altitude Profile

Other Nearby Resources:

Diamond Lake  

Directions:
The Diamond Lake Trail is located in the Indian Peaks Wilderness and can be reached from the north via the Arapaho Pass Trail and on the south from the Devils Thumb Trail.
Take County Road 130 west from Nederland to County Road 111 (about 5 miles). Continue on 111 for another five miles to the Fourth of July Trailhead. Hike the Arapaho Pass Trail for about a mile to the Diamond Lake Trail.

Take County Road 130 west from Nederland about five miles to the Hessie Trailhead. Travel west and north (about 3.8 miles) on the Devils Thumb Trail to the south end of the Diamond Lake Trail.

 

 

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