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The Lone Star Geyser Trail is a 2.5-mile trail to the Lone Star Geyser Basin, the main feature of one of the Yellowstone’s four majestic geyser basins.
It is one of the most pleasant ways of reaching this cone-type geyser, located about 3 miles from Old Faithful. The trail follows an old road bed along the Firehole River.
The trailhead can be found about 2 miles from Old Faithful Village, on the Grand Loop Road, upstream from the Kepler Cascades. At the cascades, the river tumbles 150 feet down a number of falls over large boulders.
The trail is easy, level, and wide, running through a forested valley.
It is also used by bikers as well. The geyser erupts every 3 hours for about half an hour and reaches up to 40 feet, making it well-worth the hike.
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