Mud Volcano to Dragon’s Mouth Spring

Difficulty
This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
Very Easy
Duration
This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
0.5h
Distance
This reflects the return distance of this route as measured by the GPS file.
0.5 km
Elevation
This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
7 m
User Ratings
These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
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Directions to Trailhead

The Mud Volcano to Dragon’s Mouth Spring Trail is an easy hike in Yellowstone National Park. This trail loops around a unique area of Yellowstone with bubbling mud pools and a dragon-like hot spring. This route follows a boardwalk and is both wheelchair accessible and stroller-friendly.

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Route Description for Mud Volcano to Dragon’s Mouth Spring

The Mud Volcano to Dragon’s Mouth Spring Trail is a short and sweet hike in Yellowstone. This trail passes by mudpots and hydrothermal features with a particularly pungent smell. The microorganisms that live in these features convert hydrogen sulfide to sulfuric acid, a compound that emits a strong “rotten egg”-like smell. The escaping gasses cause the mud to bubble and boil like a witch’s cauldron. Dragon’s Mouth itself is a stormy hot spring with a cavernous “mouth” that spits out hot steam like a dragon’s breath. If you can muster the stench, a visit to this area is worth it.

Beginning at the trailhead, follow the boardwalk counterclockwise as it loops around Dragon’s Mouth Spring and the Mud Volcano.

If you are looking for more to explore in the area, this hike can be extended along the Mud Volcano Trail.

Getting to the Mud Volcano to Dragon’s Mouth Spring Trailhead

This hike begins at the Mud Volcano Trailhead on the east side of Grand Loop Road, approximately 15.6 km south of the Canyon Village.

Route Information

  • Backcountry Campground

    No

  • When to do

    May to October

  • Pets allowed

    No

  • Family friendly

    Yes

  • Crowd Levels

    High

Mud Volcano to Dragon’s Mouth Spring Elevation Graph

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Mud Volcano to Dragon’s Mouth Spring Reviews

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