The Grant and West Thumb areas are located along the Yellowstone National Park Southern Loop. The name West Thumb is derived from the odd shape of the lake, which stands out like a sore thumb.
– Hike length: 4.8 miles– Time required: 2 to 4 hours– Hike difficulty: Easy– Trailhead location: The trailhead is situated approximately 3 miles (5 km) south of Grant Village.
– Hike length: 1 mile– Time required: 1 to 2 hours– Hike difficulty: Moderate– Trailhead location: The trailhead is located at the north end of the parking area at West Thumb Geyser Basin.
– Hike length: 0.6 mile– Time required: 30 to 60 minutes– Hike difficulty: Easy– Trailhead location: The trailhead is located at the West Thumb Geyser Basin Parking Area.