Yellowstone National Park · Idaho, Montana, Wyoming

Lone Star Trail

2.7 mi of trail, end to end · about 80 ft of climbing · 7,596 ft–7,673 ft · earth surface · trail class Minimally Developed · bike, hiking

7,596 ft 7,643 ft · 2.3 mi high 7,651 ft

Trailhead Lone Star Trailhead 7,595 ft Drive there

Howard Eaton Trail (Old Faithful Area) the Park Service's write-up

3-5 Hours · no dogs · Winter, Summer, Fall

Start Upper Geyser Basin

Steam and water erupt from the tan cone of Lone Star Geyser. A rainbow appears in the mist.
Photo: NPS / Jacob W. Frank

The trail climbs a burned hill, continues through spruce-fir forest, then down to Lone Star Geyser.

Safety notes: Be aware of bear activity. Stay on maintained trails at all times, especially in the hydrothermal areas. Return the same way.

Trailheads: Park near the Old Faithful Ranger Station and walk 0.25 miles (0.4 km) to the trailhead by following the paved path across the Grand Loop Road, turning left at the first intersection, turning left again, and following the orange trailmarkers to the trailhead.

This hike on nps.gov

Lone Star Geyser Trail the Park Service's write-up

2-3 Hours · no dogs · Winter, Summer, Fall

Start Upper Geyser Basin

Steam and water erupt from the tan cone of Lone Star Geyser. A rainbow appears in the mist.
Photo: 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.

Accessibility The Lone Star Geyser trail near Old Faithful is a trail/bike path that is accessible by wheelchair or other mobility devices.

This hike on nps.gov

On the parks map

All 473 trails in Yellowstone National ParkFind a trailOn the parks mapPark on nps.gov

About this trail's facts

The lines are the National Park Service's public trails layer, the trailheads and the waterfalls, views, peaks and historic places along them the Service's public points of interest, read 2026-10-16 and simplified for the map; the length is the line's, end to end. The write-ups are the Service's own "things to do" text, unedited. Heights come from USGS 3DEP through Terrain Tiles on AWS (Mapzen/Tilezen), read along each line and rounded; a short trail on steep ground can be off by a few tens of feet. Closures change: check the park's own site before you go.