Castle Lake Trail is a 1.4 mile lightly trafficked out and back trail located near Kamas, Utah that features a lake. The trail is rated as moderate and primarily used for hiking and fishing.
From Kamas, take the Mirror lake Highway (Highway 150) about 33 miles. The trailhead is on the west side of the road at Butterfly Lake
Cool little lake, kind of hard to find if you don't know where to look. I caught a fish on the first cast and we didn't see anyone else up there the entire time we were there.