Anderson Bay Loop Trail

Anderson Bay Loop is a boat-access circuit that starts and finishes at Anderson Bay Dock, then circles the forested point above Rainy Lake. From dock to dock, count roughly 2.5 to 2.7 miles, including both legs that connect the landing with the loop; use the long end for planning. Allow 90 minutes to two and a half hours. Around two hours is a sensible target if you stop at the cliffs and shore. The payoff is a broad white-granite overlook, a rocky water's edge, Windmill Rock Cove and a beaver-pond viewpoint. It's a compact hike, but not a stroll.

There's no road access to the trailhead. Anderson Bay Dock is about 19 miles over water from Rainy Lake Visitor Center, so sort out the boat trip before setting aside time for the hike. Picnic tables and a privy are by the landing, not along the loop. The published hiking season is spring through fall, and pets aren't allowed on park trails. If you're already visiting this part of the lake by boat, the loop turns that landing into a worthwhile half-day outing.

The trail is steep and narrow in places, with dirt over rocks and roots, uneven stone and open granite. Smooth rock can be very slick after rain, so take the short distance seriously. Cairns mark the lightly used path; keep looking for them where the tread crosses bare rock. At the fork toward Peary Lake, stay with the Anderson Bay return unless you mean to continue on the much longer Cruiser Lake Trail toward Lost Bay.

The route's signature view is from white granite cliffs that rise about 80 feet above Rainy Lake. Face east over Anderson Bay and its wooded islands; there's a westward outlook too, but the bay is the reason to linger. Continue counterclockwise and the route drops through the trees to a rock-lined shore near Anderson West campsite, then reaches Windmill Rock Cove by Windmill Rock campsite. The shore is broad slabs beside the water, not a sandy beach. This changing sequence—open cliff, forest, rocky shore—gives the loop more variety than its mileage suggests.

The exposed rock is part of the Canadian Shield. Granite and schist here trace back about 2.8 billion years, when volcanic island arcs collided and heat and pressure later folded and changed the bedrock. The pale slabs along Rainy Lake are the clearest place to connect that deep history to what you're seeing underfoot: this is ancient bedrock at the surface, not loose shoreline stone.

A beaver-pond viewpoint comes near the end of the loop, after the cliff and shoreline scenes. At the overlook, include the pale granite lip in the foreground with the bay and tree-covered islands beyond; that gives the view depth and shows how high the rock sits above the water. The cove and broad shore slabs also make a good close view if you want a break from the wide lake panorama.