Distance, one-way: 3.5 miles

Estimated time: 3-4 hours

Difficulty: moderately strenuous

Trailhead: Across the road from the Lava Creek picnic area on Mammoth-Tower Road

Trail Ends: Near the Mammoth Campground

Follow Lava Creek downstream past Undine Falls (60 feet), descending gradually. Lava Creek meets the Gardner River further downstream. The trail crosses the river on a footbridge to a final steep climb out, ending near the Mammoth Campground.

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