The Emma Matilda Lake Trail is a 10.7-mile (17.2 km) long hiking trail located within the Grand Teton National Park in the U.S. state of Wyoming.

[1] This trail and the adjacent lake are named after the wife of William O. Owen, who in 1898 was among the first four climbers in recorded history to climb to the summit of Grand Teton.

[2][3] A variety of wildlife can be found along the trail as it climbs through various forests, marshes, and meadows.

Of particular note are the moose, river otters, beavers, muskrats, coyotes, and mule deer.

List of hiking trails in Grand Teton National Park