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This trail leads 4.5 miles to a subalpine lake on the western border of North Cascades National Park.

The Hidden Lake Trail begins from Sibley Creek Road and leads four and a half miles southeastward into North Cascades National Park. The trail gains 3,000 feet as it ascends to a saddle above the lake. From this high point hikers will have a panoramic view of North Cascades summits. An historic fire lookout lies 300 feet above the saddle. Early in the season an ice ax may be necessary to reach this restored structure.

From the trailhead on Sibley Creek Road hike eastward along the East Fork Sibley Creek. Within a mile of the trailhead the path crosses the East Fork and parallels the northern bank of the stream. At the head of the East Fork the trail turns sharply southwestward to begin a long traverse across talus slopes intermingled with open meadows. The trail gains approximately 500 feet along this traverse.

The route turns southward after completing the traverse and ascends more steeply. In about one mile the trail reaches the saddle above the lake. The elevation of this saddle is 6,600 feet. From this point descend one half mile through the boulder field to the south to reach Hidden Lake. There is a dispersed camping area on the lake shore. No fires are permitted in this area.

Directions: From Marblemount, Drive southeastward on Cascade River Road 10.2 miles to Sibley Creek Road, Forest Road 1540. Turn left on to Sibley Creek Road and ascend 4.5 miles to the road end and trailhead. This road is moderately steep and prone to washouts. A permit, which can be obtained at any Forest Service Office, is required to use the trailhead parking area.

Elevation: 3,600 feet

Ending Elevation: 5,780 feet

Difficulty: Moderate/Strenuous

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North Cascades National Park, Washington

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The details, dates, and prices mentioned here were accurate at the time of publication.

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