Towering over beautiful Sawtooth Lake, Mount Regan is one of the most photogenic peaks in the Sawtooth Range. A well-maintained hiking trail begins on the east side of the lake and brings hikers around the east and south sides of the mountain, but the peak can only be reached by a class 4 scramble. There are no fees to hike, climb, or camp in the backcountry, but there are several fee-based drive-in campsites at the Iron Creek trailhead. Visitors should be aware that backcountry campfires are not allowed in many areas around the mountain, including Sawtooth Lake.

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