Swan Lake Trail is a 3.1-mile loop foot trail in Grand Teton National Park, Wyoming. It climbs 320 ft to a high point of 6,833 ft. Difficulty: easy, from the NPS hiking-rating formula. That is the full hike: the mapped trail line covers only 1.76 mi of it, so don't plan from the map line alone. The figure is for the Park Service's “Heron Pond - Swan Lake Loop Trail” hike, which uses this trail.

Heron Pond - Swan Lake Loop Trail · rated “Easy hike”
The Heron Pond-Swan Lake Loop is an easy, 3.1 mi (5 km) loop hike with 320 ft (100 m) of elevation gain.
Read the official NPS description
Open Swan Lake Trail on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Grand Teton. Grand Teton has permits or reservations for some areas: see the Grand Teton page for what's needed.