Trail

Yellowstone Shortline Trail

TrailOPERATIONAL★ 4
Yellowstone Shortline Trail sign along a paved path in Yellowstone National Park.

Yellowstone Shortline Trail is a 17.6-mile out-and-back on a paved rail-bed, gaining about 860 feet. It runs alongside the South Fork Madison River and includes interpretive signs that explain the Oregon Short Line Railroad era, local geology, and wildlife habitats. It’s an easy, family-friendly route with regular bike and foot traffic, and you can expect moose, deer, and bears along the route in Yellowstone country.

Quick facts

Distance Miles
17.6
Route Type
Out-and-back
Difficulty Level
Easy stroll
Elevation Gain Feet
860

Trail profile

Distance Miles
17.6
Route Type
Out-and-back
Difficulty Level
Easy stroll
Elevation Gain Feet
860
Estimated Time
4-6 hours at a leisurely pace for the full 17.6 miles
Trail Surface
Paved asphalt
Trail Features
  • Interpretive signs detailing history, geology, and wildlife habitats
  • Meanders along the South Fork Madison River
  • Historic Oregon Short Line Railroad alignment
Trail Highlights
Historic Oregon Short Line Railroad alignment with river views and interpretive signs; opportunities for wildlife sightings near Yellowstone

Trailhead & access

Trailhead Location
Corner of Iris Street and Obsidian Avenue, West Yellowstone, MT
Parking Lot Size
Ample gravel lot at the trailhead; additional gravel lot south of the trailhead; street parking along Yellowstone Ave
Parking Fill Time
Not explicitly stated; overflow parking indicates busier periods; arrive early during peak season
Shuttle Required
0

Permits & conditions

Trail Status
Open
Seasonal Closures
Snow likely from late fall through late spring; specific dates not provided

Facilities & rules

Restrooms At Trailhead
1
Water Sources
South Fork Madison River alongside portions of the trail; shallow water at a few points; plan to carry water as on-trail filtering options are limited
Accessibility
Paved surface; generally accessible, but verify with park accessibility notes

Safety & strategy

Hazards
  • Bear country
  • Moose sightings
  • Wildlife encounters
  • Limited on-trail water filtering
  • Open, exposed sections in early miles
Hazard Details
Carry bear spray and know how to use it; make noise to avoid surprising wildlife; maintain distance from moose; plan water accordingly as filtering options are limited
Cell Service
Cell service is not documented for this trail; expect limited or no signal in forested areas.
Crowd Level
Low
Peak Crowd Times
Weekdays in July are quieter; weekends can be busier during peak season
Best Season
Summer (June-September)
Best Time To Visit
Summer is best. Start early in the morning or late in the day to catch favorable light and quieter wildlife activity.
Tips Advice
  • Carry at least 2 liters of water.
  • Bear spray and knowledge of its use are non-negotiables in bear country.
  • Start in the cooler morning hours; the first miles are more open and exposed.
  • Shade increases in the latter half; bring sun protection for the start.
  • Stay aware of moose and other wildlife; keep a safe distance and make your presence known.

More details

Park Area
Yellowstone National Park – West Yellowstone region, Montana
Trail Markers
Well-marked with interpretive signs along the route
Dogs Allowed
The source does not state whether dogs are allowed.
Biking Allowed
Biking is allowed; the trail has a paved asphalt surface and a gentle 1–3% grade, suitable for casual bike rides.
Shade Level
Partial shade; more tree cover in the latter half, open sections in the first miles
Emergency Contacts
Dial 911 for emergencies. For park operations, contact the West Yellowstone ranger district or Yellowstone Dispatch; local emergency numbers are posted at the trailhead.
Map Recommended
0
Snow Dates
Snow likely in late fall through late spring; exact dates not provided
Mud Season
Mud season occurs in early spring (March–May), when the trail can become muddy and surface conditions may be damaged.
Wildflower Peak
Wildflower bloom timing is not listed in the source.
Fall Colors Peak
Fall color peak timing is not listed in the source.
Bug Season
Mosquito activity is common during the warmer months, roughly June through September.
Insider Tips
  • Start in the cooler morning hours.
  • Use interpretive signs for quick history and wildlife insight.
  • Watch for moose and bears at dawn/dusk.
  • Keep a steady pace to cover distance without rushing the family.
Family Friendly Notes
Yes; paved surface and gentle grade; restroom at mile 8; suitable for families with supervision for wildlife
Nearby Facilities
Restrooms at mile 8; parking at trailhead; services in West Yellowstone (food, gas, etc.)
Review Summary
Hikers describe the trail as well-maintained, smooth asphalt, and peaceful, with a history-rich payoff. The low crowd levels and family-friendly design make it suitable for a relaxed day out, while wildlife opportunities add a touch of Yellowstone authenticity.

Location

Frequently asked questions

Are bears and moose a real threat on this trail?

Yes. You are in bear country—carry bear spray and know how to use it. Make noise to avoid surprises and maintain distance from wildlife.

Is the trail suitable for kids?

Yes. The paved surface and gentle grade are kid-friendly. Restrooms are available at mile 8, and there are plenty of opportunities to pause and learn at interpretive signs.

Do I need a permit or pay any fees?

No permits are required and there are no listed fees for this trail.

What gear is essential for this trail?

Water, bear spray, sturdy shoes, sun protection, and a light layer for shade changes. Plan for 2 liters of water per person and keep to the paved path for safety.

Is there shuttle service or public transport to the trailhead?

No shuttle is mentioned or required; you can rely on your vehicle and parking options at the trailhead.

Brink of Lower Falls

0.7 miles out-and-back. Steep climb back. The brink of Lower Falls rewards the grit.

Sources

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.