Mallard Lake Trail

Firehole River with conifer forest on both banks and steam rising from distant hydrothermal features.
Bridge crossing of the Firehole River along the Mallard Lake Trail.

NPS/Jim Peaco

The trail crosses the Firehole River, passes Pipeline Hot Springs, and climbs rolling hills of partially-burned lodgepole pine and open, rocky areas to the lake.

Safety notes: Be aware of bear activity. Return the same way.

Trailheads: From the southeast side of the Old Faithful Lodge cabins, take the first right turn and continue 0.2 miles (0.3 km) across the Firehole River to the trailhead.

This is a 7-mile (11.2-kilometer) there-and-back trail that begins and ends at the same trailhead.
Entrance fees may apply, see Fees & Passes information.
This trail is located in the western part of the park, with the trailhead east of Old Faithful Geyser.

Last updated: July 5, 2018