🌿 RelaxedWeekend · from Bozeman, MT

Yellowstone: Old Faithful & Grand Prismatic

Two days in Yellowstone's geyser basin corridor — the most thermally active landscape on Earth and the most visited section of the park. Bozeman is 90 minutes from the West Yellowstone entrance via US-191 through the Gallatin Canyon, making it one of the closest major cities to Yellowstone's west-side thermal features. Old Faithful's interval and eruption are predicted at the visitor center 10 minutes in advance; arriving before the crowd forms at the predicted time is the key to the best experience. Grand Prismatic Spring, accessible via a short 0.6-mile boardwalk, is the largest hot spring in the United States (370 feet across, 121 feet deep, 160°F in the center) and the most photographed geothermal feature in the world — the colors come from heat-adapted archaea living at different temperature gradients around the spring edge. The second day adds the Upper Geyser Basin loop and Yellowstone Lake's West Thumb basin before the return.

Day 1 — Yellowstone: Old Faithful morning eruption, Grand Prismatic Spring, Midway Geyser Basin boardwalk, overnight West YellowstoneDay 2 — Upper Geyser Basin loop, West Thumb Geyser Basin (Yellowstone Lake), return to Bozeman
Day 1 — Yellowstone West Side — Old Faithful Area

Day 1 — Yellowstone West Side — Old Faithful Area

🚗 1 hr 30 min driving📍 4 stops
🌅
Morning
🚗
Drive
Bozeman, MT → Yellowstone NP — West Entrance
1 hr 30 min8:00 AM → 9:30 AM
Old Faithful — Morning Eruption
Old Faithful — Morning Eruption
★ 4.7
Old Faithful Geyser — the most famous geyser in the world, named in 1870 for its regularity. The visitor center predicts the next eruption within a 10-minute window; the average interval is 91 minutes (ranging 65-115 minutes depending on eruption duration). The geyser sends water to 100-180 feet for 1.5-5 minutes. Morning eruptions in cool air produce the most dramatic steam column. The surrounding Upper Geyser Basin has the world's greatest concentration of geysers; a boardwalk loop adds Castle, Riverside, and Beehive Geysers.
9:30 AM📍 See location
🍽️
Lunch
Grand Prismatic Spring — Midway Geyser Basin
Grand Prismatic Spring — Midway Geyser Basin
★ 4.9
The largest hot spring in the United States and the third largest in the world — Grand Prismatic Spring at 370 feet across, 121 feet deep, and 160°F in its center. The brilliant rings of color (deep blue center, yellow and orange margins) come from heat-adapted archaea living at different temperature gradients around the edge; the colors shift seasonally as the archaea's photosynthetic pigments change with ultraviolet light intensity. The 0.6-mile Midway Geyser Basin boardwalk also passes Excelsior Geyser Crater (200x300 feet, 10,000 gallons per minute into the Firehole River).
10:30 AM📍 See location
☀️
Afternoon
Fountain Paint Pot — Lower Geyser Basin
Fountain Paint Pot — Lower Geyser Basin
★ 4.8
A 0.5-mile boardwalk loop through four thermal feature types in a single compact basin — Silex Spring (deep blue-green hot spring), Celestine Pool (boiling pool), Fountain Paint Pots (pastel bubbling mud pots), and Clepsydra Geyser (nearly continuous eruption to 45 feet). The most diverse geothermal feature concentration accessible from a short walk in Yellowstone. The paint pot colors shift from pink to gray depending on water table level.
12:00 PM📍 See location
🌙
Evening
West Yellowstone — Madison Hotel
West Yellowstone — Madison Hotel
Overnight in West Yellowstone, MT — the gateway town at the park's west entrance. The Madison Hotel (est. 1912) and Explorer Cabins are the primary overnight options; the town's location one mile from the park entrance eliminates the 90-minute Bozeman drive on the second morning. West Yellowstone's restaurants and shops are focused on park visitors; the visitor center has exhibits on the park's fire history (1988 fires burned 793,000 acres).
5:00 PM📍 See location
Day 2 — Yellowstone — West Thumb, Return

Day 2 — Yellowstone — West Thumb, Return

🚗 3 hr driving📍 2 stops
🌅
Morning
🚗
Drive
West Yellowstone → Old Faithful — Upper Geyser Basin
30 min8:00 AM → 8:30 AM
Upper Geyser Basin Boardwalk Loop
Upper Geyser Basin Boardwalk Loop
★ 4.4
The full 1.6-mile Upper Geyser Basin boardwalk loop around Old Faithful — the world's greatest concentration of geysers, with 150+ within a single square mile. The loop passes Geyser Hill (Beehive, Plume, Heart, Anemone), the Firehole River boardwalk (Riverside, Morning Glory Pool), and returns via the Castle and Grand geysers. Grand Geyser is the world's largest predictable geyser at 150-200 feet; its eruption interval is 7-15 hours.
8:30 AM📍 See location
🍽️
Lunch
🚗
Drive
Old Faithful → West Thumb Geyser Basin
30 min9:30 AM → 10:00 AM
West Thumb Geyser Basin — Yellowstone Lake
West Thumb Geyser Basin — Yellowstone Lake
★ 4.8
Hot springs and geysers directly on the shore of Yellowstone Lake — a boardwalk loop where geothermal features emerge at the water's edge. Abyss Pool (53 feet deep, deepest hot spring in Yellowstone), Fishing Cone (where 19th-century visitors reportedly cooked fish by lowering them into the spring on the hook), and a series of blue-green hot springs at the lake margin. The caldera lake visible behind the basin formed 640,000 years ago in the most recent Yellowstone super-eruption.
10:00 AM📍 See location
🌙
Evening
🚗
Drive
West Thumb, Yellowstone → Bozeman, MT
2 hr5:00 PM → 7:00 PM
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