Thing to Do

Mallard Lake Trail

Firehole River with forest standing on both banks and steam rising up from a distant geyser basin.

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.

Details
This is a 7-mile (11.2-kilometer) there-and-back trail that begins and ends at the same trailhead.
Moderately easy hike
Pets Allowed
No
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.
Reservations
No
Season
Winter, Summer, Fall
Time of Day
Any Time

Yellowstone National Park

Tags

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

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Steam rises from a blue-, yellow- and orange-colored hot spring.

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Last updated: July 5, 2018