At the first junction, take Northwest Bay Trail to the right; the left branch climbs onto the Tongue Mountain ridge route. The trail climbs through woods, then reaches a stream and the lakeside section after roughly a mile and a half. From there it winds between trees and water, crossing small streams on bridges. A bench and small beach give you a place to pause, and a small waterfall appears along the way.
The open water comes and goes rather than staying beside you. Expect roots and muddy, boggy footing in low sections; those stretches can take longer than the gentle-looking shoreline suggests.