Although the trail is moderate in terrain, it is a long day hike or 2 day backpacking trip. The trail generally parallels Conundrum Creek up the valley, following an old jeep trail which then turns into a trail. There are 3 river crossings before the hot springs (these can be hazardous during runoff periods). The first crossing is at the 2-1/2 mile mark, the second in 6 miles, and the third at 6-1/2 miles. At mile 8 there is a cabin, with the hot springs 1/2 mile beyond on the left. See Copper Creek Trail for more information on hikes to Triangle Pass and Copper Lake beyond Conundrum Hot Springs.

Directions: From Aspen, Drive 1/2 mile west of Aspen on Highway 82. At the roundabout, turn onto Castle Creek Road. Drive exactly 5 miles up Castle Creek then turn right onto Conundrum Road. Continue 1.1 miles to a parking lot at the trailhead. Be careful not to stray onto the numerous private drives found along the road.

Elevation: 8,500 feet

Ending Elevation: 11,200 feet

Elevation Gain: 2,700 feet

Distance: 8 1/2 miles

Usage: Extremely Heavy

Difficulty: Moderate

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