Trail
Purple Mountain Trailhead
Mission: tackle a sustained uphill to the summit. This is a 6- to 6.6-mile out-and-back with about 1,500–1,590 feet of gain. It’s a grind—carry 3 liters minimum, bear spray, and sturdy footwear. High reward for the effort: views of the Gibbon/Madison Rivers and distant geyser basins.
Quick facts
- Distance Miles
- 6.6
- Route Type
- Out-and-back
- Difficulty Level
- Strenuous
- Elevation Gain Feet
- 1590
Trail profile
- Distance Miles
- 6.6
- Route Type
- Out-and-back
- Difficulty Level
- Strenuous
- Elevation Gain Feet
- 1590
- Estimated Time
- 3-5 hours for fit hikers
- Trail Surface
- Primarily packed dirt with switchbacks
- Trail Features
- Long, steady ascent on packed dirt with switchbacks
- Views of the Gibbon and Madison Rivers from upper slopes
- Open sections with exposure near summit
- Dense woodland for most of ascent
- Potential wildlife encounters in Yellowstone
- Trail Highlights
- Summit rewards with views of the Gibbon and Madison Rivers, distant geyser basins, and clear days may reveal the Tetons.
Trailhead & access
- Trailhead Location
- Located just east of Madison Junction on the north side of Grand Loop Road
- Parking Lot Size
- Small turnout/pullout
- Parking Fill Time
- Arrive early; small lot may fill by dawn
- Shuttle Required
- 0
- Shuttle Details
- No shuttle required
Permits & conditions
- Permit Details
- No permit required for day hiking; park entrance fees apply
- Fees
- Park entrance fees apply
- Trail Status
- Open
- Seasonal Closures
- Snow possible into July; mud season in late spring/early summer
Facilities & rules
- Restrooms At Trailhead
- 0
- Water Sources
- No reliable water sources; carry all you need (min 3 liters)
- Accessibility
- Steep, unpaved sections; not wheelchair accessible
Safety & strategy
- Hazards
- Bear country (grizzly and black bears)
- Afternoon thunderstorms
- Lightning exposure
- Hazard Details
- Carry bear spray and know how to use it; monitor weather; stay alert in exposed upper sections
- Cell Service
- Unknown; generally unreliable in Yellowstone
- Crowd Level
- Typically quiet and secluded
- Peak Crowd Times
- Low; occasional weekend activity
- Best Season
- Summer and early fall (July to September)
- Best Time To Visit
- Start early morning; July–September optimal.
- Tips Advice
- Carry at least 3 liters of water.
- Bear spray and know how to use it.
- Start cold and warm up.
- Trekking poles recommended for descent.
- Check snow conditions; micro-spikes may be needed in early season.
More details
- Park Area
- Yellowstone National Park
- Trail Markers
- Well-worn path; bring a map and compass
- Dogs Allowed
- Dogs on leash are welcome at Purple Mountain Trailhead, and on adjacent trails; please clean up after pets and keep them under control.
- Biking Allowed
- Biking is not allowed on the main Purple Mountain Trail; riders should use designated bike routes in the vicinity.
- Shade Level
- Mixed; lower sections shaded, upper sections open
- Emergency Contacts
- Yellowstone rangers; dial 911 for emergencies
- Map Recommended
- 1
- Alltrails Link
- www.alltrails.com
- Snow Dates
- Trail can be snow-covered into July; micro-spikes may be necessary in early season
- Mud Season
- Late spring/early summer due to snowmelt
- Wildflower Peak
- Spring
- Bug Season
- Mosquitoes active in June and July; less as summer progresses and things dry out
- Insider Tips
- Start before 7:00 AM to beat thunderstorms
- Trekking poles ease the descent
- Check snow conditions if hiking in early summer
- Bear spray practice and safety
- Family Friendly Notes
- Moderately experienced hikers; families with older children due to strenuous climb
- Nearby Facilities
- Trailhead information kiosk; no restrooms at the trailhead
- Review Summary
- The climb is brutal but the solitude and well-maintained trail make it worthwhile. Expect a quiet route with a steady ascent and minimal crowds.
Location
Frequently asked questions
Are bears in the Purple Mountain Trailhead area?
Yes. This is bear country; carry bear spray and stay loud.
Is there water on the trail?
No reliable water sources; carry at least 3 liters.
Do I need a permit for day hiking?
No permit required for day hiking; park entrance fees apply.
When is the best time to hike Purple Mountain?
Summer to early fall (July–September); start early to avoid afternoon thunderstorms.
Is the trail well-marked or do I need navigation tools?
The path is well-worn but carry a map and compass; GPS can help in the denser woods.
More at Yellowstone National Park
Avalanche Peak Trailhead 5N2
4.5-mile out-and-back; 2,100 ft gain. Relentless climb with a true summit payoff.
Wraith Falls Trailhead
Easy stroll to Wraith Falls. 0.8–1 mile round-trip. Carry water.
West Thumb Overlook Trail
1.7–2 miles; 200–400 ft gain. Loop with big payoff at the overlook.
Morning Glory Pool
2.8 miles round-trip; easy paved stroll with geysers along the route.
Brink of Lower Falls
0.7 miles out-and-back. Steep climb back. The brink of Lower Falls rewards the grit.
Yellowstone Lake Overlook Trail
1.7-mile loop. Modest climb. Lake overlook rewards the early arrival.
Recommended gear for Yellowstone National Park
Some booking links below are affiliate links, which may support YourNPGuide at no extra cost to you. Affiliate disclosure.
Sources
- grokipedia.com
- 10adventures.com
- nps.gov
- noahlangphotography.com
- hikingproject.com
- wanderlog.com
- americansouthwest.net
- reddit.com
- hike734.com
- peakvisor.com
- National Park Service
- Google Reviews
- YourNPGuide Editorial
Editorial review: YourNPGuide Editorial Team. Information is compiled from official sources, verified traveler reviews, and editorial research; no firsthand visit is implied unless explicitly documented. Learn how YourNPGuide works.
Last updated January 2026. Report an issue.














