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  • Address: Yellowstone National Park, Wyoming, USA
In 1870, when members of the Washburn Expedition happened upon this Yellowstone geyser, they noted that the shape and structure of the crater resembled a castle’s tower. Since then, much of that stoic tower has gradually dissolved and eroded, although a 90‐foot-high (27-meter-high) column of boiling water still erupts with regular frequency.

The Basics
On average, Castle Geyser has an eruption cycle in the vicinity of 10 to 12 hours, and eruptions will last for 20 minutes before the water changes to steam. Compared to nearby Old Faithful, however, predicting the timing of Castle Geyser can be more difficult. As one of the highlights of Upper Geyser Basin, Castle Geyser often features in guided tours of Yellowstone National Park, including day trips from Jackson Hole and Cody.

Things to Know Before You Go
  • Castle Geyser is a must-see for visitors in Yellowstone’s Upper Geyser Basin.
  • Plan to spend a couple hours at the geyser to maximize your chances of seeing it erupt. 
  • Don’t forget to bring sunglasses, sunscreen, and a hat. 
  • The geyser is wheelchair accessible via a paved trail and boardwalk from the Old Faithful area.

How to Get There
Castle Geyser is located in the Upper Geyser Basin of Yellowstone National Park. The drive from the west entrance—the closest entrance to the basin—takes about 45 minutes. On foot, the geyser is easily accessed by following the trail that leads from Old Faithful.

When to Get There
You’ll want to time your visit to Castle Geyser for when it’s predicted to erupt. Rangers at any of Yellowstone’s visitor centers should be able to offer an estimate; plan to arrive around 45 minutes early in case it goes off before the predicted time.

The Phases of a Castle Geyser Eruption
Unlike Old Faithful, when Castle Geyser erupts, it does so in two phases. For the first 20 minutes, the geyser spews out a column of water that can be seen over the trees from Old Faithful. Once the water phase finishes, the geyser belches out thick white steam for another 30 to 40 minutes. The thunderous sound of the steam eruption has been compared to the roar of an oncoming train.

Tours & Tickets

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Yellowstone Guided Day Tour From Jackson Hole, Jackson Hole, null
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Yellowstone Guided Day Tour From Jackson Hole

Upon leaving your hotel in Jackson Hole, you will stop at Big Thumb by Yellowstone Lake.  The magma underneath Yellowstone park heats rain water and melting ...  Read more

Location: Jackson, Wyoming
Duration: 11 hours (approx.)

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Yellowstone Lower Loop Self-Guided Tour from Cody, Cody, Day Trips
TVRM_SORTED : true ESSENTIAL : 2 ADMISSION : 5

Yellowstone Lower Loop Self-Guided Tour from Cody

Your self-guided tour of Yellowstone National Park begins in Cody, Wyoming and takes you to Lehardy Rapids, Mud Volcano, Hayden Valley, Grand Canyon of ...  Read more

Location: Cody, Wyoming
Duration: 12 hours (approx.)

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Yellowstone Lower Loop Self Guided Driving Tour from Jackson Hole, Jackson Hole, Day Trips
TVRM_SORTED : true ESSENTIAL : 2 ADMISSION : 5

Yellowstone Lower Loop Self Guided Driving Tour from Jackson Hole

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Explore a tour of Yellowstone National Park on your own travel schedule! The Self Guided Driving Day Tour of Yellowstone Lower from Jackson Hole will take you ...  Read more

Location: Jackson, Wyoming
Duration: 12 hours (approx.)

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Self-Guided Yellowstone Lower Loop Tour from Gardiner, Yellowstone National Park, Self-guided Tours ... 
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Self-Guided Yellowstone Lower Loop Tour from Gardiner

Your self-guided tour of Yellowstone National Park Lower Loop will lead you to the Grand Canyon of Yellowstone, Norris Geysers, Grand Prismatic Spring, Old ...  Read more

Location: Gardiner, Montana
Duration: 12 hours (approx.)

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Yellowstone Upper and Lower Loop Tours, Jackson Hole, Day Trips
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Yellowstone Upper and Lower Loop Tours

From Jackson Hole, Teton Village or Jackson Wyoming a seasoned tour guide will pick you for your tours to Yellowstone National Park.   The tour of ...  Read more

Location: Jackson, Wyoming
Duration: 15 hours (approx.)

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Yellowstone Guided Day Tour From Jackson Hole, Jackson Hole, Day Trips
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Yellowstone Guided Day Tour From Jackson Hole

5 star rating: Highly Recommended 1 Review

Day tours of Yellowstone begin from Teton Village, Jackson Hole and Jackson Wyoming. You will stop at one of the best delis in Jackson where you will choose ...  Read more

Location: Jackson, Wyoming
Duration: 11 hours (approx.)

From USD $1,299.00
Yellowstone Guided Day Tour From Jackson Hole, Jackson Hole, Day Trips
TVRM_SORTED : true ESSENTIAL : 2 ADMISSION : 5

Yellowstone Guided Day Tour From Jackson Hole

5 star rating: Highly Recommended 1 Review

From Jackson Hole, Teton Village or Jackson Wyoming a seasoned tour guide will pick you for your tours to Yellowstone National Park.   The tour of Yellowstone ...  Read more

Location: Jackson, Wyoming
Duration: 11 hours (approx.)

From USD $295.00

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