As the tallest mountain in the area with a lookout tower, Trinity Mountain is one of the most popular peaks in the Boise Mountain Range and is notably surrounded by more than 15 lakes. Several different routes wind their way up the mountain, including a well-marked 4.9-mile trail that begins at the Big Trinity Lake campground and another 7-mile trail that allows hikers to completely traverse and summit the mountain. The area is typically snowy well into the month of June, and visitors should be aware that the road to the campground doesn't open until July most years.

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