Last updated: February 6, 2024
Thing to Do
Lone Star Geyser Trail
NPS / Jacob W. Frank
This pleasant, partially paved trail follows an old service road beside the Firehole River to the geyser. Lone Star Geyser erupts up to 45 feet (13.7 m) from a 12-foot (3.6 m) cone approximately every three hours.
Safety notes: Cyclists must dismount at the end of the asphalt and walk the last few hundred feet.
Trailheads: 3.5 miles (5.6 km) south of Old Faithful Overpass, just beyond Kepler Cascades Parking Lot.
Details
Duration
2-3 Hours
This is a 4.8-mile (7.7-kilometer) there-and-back trail that begins and ends at the same trailhead.
Activity
Hiking
Pets Allowed
No
Activity Fee
No
Entrance fees may apply, see Fees & Passes information.
Location
Upper Geyser Basin
This trail is located in the western part of the park, with the trailhead south of the Old Faithful developed area.
Reservations
No
Season
Winter, Summer, Fall
Time of Day
Any Time
Accessibility Information
The Lone Star Geyser trail near Old Faithful is a trail/bike path that is accessible by wheelchair or other mobility devices.
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