From the eastern end of the parking area, at the sign "Welcome to Bloomingdale," follow the blue-blazed Hewitt-Butler Trail, which heads north and descends to Posts Brook at Otter Hole, an attractive cascade and waterfall. Here the trail crosses the brook on large boulders.
Just beyond the brook, the light-green-blazed Otter Hole Trail leaves to the left, and the Hewitt-Butler Trail is...