Mud Volcano Trail

Mud Volcano Trail

Trails
Last Updated: June 2026

Distance

0.6 mi

Est. Time

1-2 hours depending on pace and stops

Route Type

Loop

Dogs Allowed

No

Best Season

Spring, summer, fall (main roads open mid-April to early November)

Overview

About This Trail

A 0.6-mile loop through Yellowstone's geothermal theater. Boardwalks and paved sections dominate, but don't let 'easy' fool you—the southern rim climbs with real grade, and stairs demand focus. You'll see mud pots churning, fumaroles venting, and evidence of the volcanic machinery beneath your feet. Doable for most, but watch your footing on steeper pitches.

Highlights

Difficulty Level

Easy, with steep sections

Trail Highlights

Geothermal features including churning mudpots and active fumaroles. Views of resurgent dome (Sour Creek Dome) and evidence of Yellowstone's active volcanic system.

Insider Tips

• The smaller loop around Mud Volcano itself is only about 0.3 miles and fully paved. • Dragon's Mouth Spring is the most photogenic feature; visit first before crowds build. • Early morning light creates the best thermal mist photography. • Trail can be incorporated into longer park drive without major detour.

Best Season to Hike

Spring, summer, fall (main roads open mid-April to early November)

Hiking Tips

  • Stay on boardwalks and pavement—geothermal features are unstable and toxic.
  • Bring 1 liter of water minimum; short distance is deceiving.
  • Wear sturdy footwear with good grip for stairs and steep grades.
  • The paved section is steep—use the rail.
  • Make noise; bear country.
  • No restrooms at trailhead; use Fishing Bridge facilities.

Family Info

Safe for families with supervision. Young children should be watched closely near geothermal features and steep edges. Steeper southern section may challenge young or unfit hikers; offer hand-holding on the grade.

What Hikers Say

Hikers praise the compact geothermal experience without major physical commitment. Steep grades and stairs catch some visitors by surprise, but accessibility options exist for most fitness levels. Geothermal features and ease make it a popular quick stop.

ℹ️ Data Sources
🏞️ National Park Service 📝 YourNPGuide Editorial

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