It's a bit of a hike to reach this location, but it's wild location is ripe for hiking and fishing.
Getting there
From the intersection of Route 28 and Limekiln Road in Inlet follow, Limekiln Road and turn left on Moose River Plains Road. Continue on Moose River Plains Road to Otter Brook Road, which is the second right, and follow it for 1.45 miles to the access road for Beaver Lake. Drive this 0.2 mile to the gated trailhead. The brook is at the trailhead.
Hiking
Reach Otter Brook at 4.0 miles down the trail, but there is no bridge. Be careful fording the stream, which has deep spots and a noticeable current. The entire trail is 10 miles long. It follows the boundary between the Little Moose Mountain Wilderness and the West Canada Lake Wilderness, from Otter Brook Road to Little Moose Lake.
At mile 6.3 the trail connects to the Lost Pond Trail, which leads to the West Canada Lake Wilderness. At Little Moose Lake the end of the Otter Brook Trail connects to the Wilson Ridge Trail. Continue on this trail all the way to Little Moose Lake.
Fishing
There is excellent access from shore. Floating a fly or wading out for fly fishing is the best method here. A worm and bobber can be used in the less rapid areas.
Little Moose Lake contains brook trout and can be accessed via Otter Brook Trail. The trail crosses the inlet to the lake approximately 5.0 miles from the Wakely Dam Trailhead. Use or possession of baitfish is prohibited.