Bird Watching#Hiking#Nature#Outdoor Activity#Photography#Sightseeing#Wildlife ViewingNational Park Traildbo2026-05-19T17:02:48Mallard Lake Trail is in the Old Faithful Area of Yellowstone National Park.Mallard Lake Trail is in the Old Faithful Area of Yellowstone National Park.44.45818542158156-110.82504300718381Yellowstone National ParkYellowstone National ParkWYPO Box 16882190Distance: 3 mile hike one way Relatively popular path that climbs a shallow, partly wooded ravine, crosses a ridge and descends through thicker woodland to peaceful Mallard Lake. Several large hot springs are viewable just off-trail near the start, some right beside the Firehole River.307-344-7381Yellowstone National Park187171|http://www.visitmt.com|Y#11|http://www.wintermt.com|Y#32|http://www.lewisandclark.state.mt.us|Y#94|http://indiannations.visitmt.com|Old Faithful Area: Mallard Lake TrailYELLOWSTONEYellowstoneNational Park Trailhttp://www.nps.gov/yell