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River in Wyoming and Montana in the United States

Bighorn River

A tailwater trout factory below Yellowtail Dam — cold, clear year-round, with 5,000+ trout per mile in the top runs.

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Where on earth

Satellite imagery flying in from a world view to Bighorn River, Worldwide. Use the + / − buttons, or click the map to zoom with your scroll wheel; drag to pan and pinch to zoom on touch.

Region
Montana, USA
Country
Worldwide
Biome
Northern plains (900 m)
Best season
Year-round
Difficulty
moderate
Known for
  • Backpacking
  • Hiking
  • Fishing
  • Mountaineering
  • Canoeing

Key takeaways

  • Biome: Northern plains (900 m)
  • Best season: Year-round
  • Difficulty: moderate
  • Top activity: backpacking
Loading live weather & climate for Bighorn River…

Photos of Bighorn River

The Bighorn River is a tributary of the Yellowstone, approximately 461 miles (742 km) long, in the states of Wyoming and Montana in the western United States. The river was named in 1805 by fur trader
Photo: Wikipedia contributors · See Wikimedia Commons

Topic summary

A tailwater trout factory below Yellowtail Dam — cold, clear year-round, with 5,000+ trout per mile in the top runs.

Key takeaways

  • Difficulty: moderate
  • Best season: Year-round

Intended uses

backpacking

Climate suitability

Northern plains (900 m)

Region
Worldwide
Biome
Northern plains (900 m)
Difficulty
moderate

Tools for a trip here

Picked for how, when and where you're going. Free, no signup.

backpacking

How to get there

Bighorn River is in Montana, USA, Worldwide. Its center point is 45.3500, -107.9500. Use these links for live turn-by-turn directions from where you are, then confirm road, trailhead and access conditions with the managing agency before you leave.

Popular pursuits at Bighorn River

  • Backpacking

    Multi-day travel with everything on your back — see the packing blocks below.

  • Hiking

    Day miles on marked trail, with route notes and trail links below.

  • Fishing

    Resident gamefish, seasons, and the water that holds them.

  • Mountaineering

    Glacier and high-route objectives with real consequence.

  • Canoeing

    Paddle routes, portages, and put-ins.

Animals around Bighorn River

Browse all wildlife guides →

Maps, GPS & compass for this trip

Carry a waterproof paper map and a compass you can steer by, and treat the GPS as the backup — not the other way round. Buying links go to Amazon; Wild10 earns a commission at no cost to you.

Fishing at Bighorn River

Planning to fish Bighorn River, Montana? Fishing licenses, open seasons and catch limits in Montana are set by the local wildlife authority and change every year — check the official source before you cast a line.

Do I need a fishing license at Bighorn River?

  • A Montana fishing license is normally required for anyone over the local youth age.
  • Read the current Montana fishing regulations for special waters, barbless-hook or catch-and-release rules.
  • Clean, drain and dry boats and gear between waters to stop invasive species.

Hunting near Bighorn River

Thinking about hunting Bighorn River, Montana? Hunting seasons, tags and draws in Montana are set by the wildlife authority each year. Confirm the rules for your species and unit before you go.

Is hunting allowed at Bighorn River?

  • Confirm the land around Bighorn River is open to hunting and which management unit it falls in.

What do I need to hunt in Montana?

  • A Montana hunting license — most jurisdictions also require hunter education certification.
  • Species tags or draw results for big game such as deer, elk, moose or bear where they occur.
  • Knowledge of firearm and bow transport rules, which differ by land type and border crossing.

Bighorn River: Montana Context

The Bighorn River is the destination for this Montana trip, but a river-specific itinerary needs more detail than the statewide setting alone can provide. Montana lies in the Mountain West, with Wyoming to the south and Idaho to the west. Its western half contains numerous mountain ranges, including parts of the Rocky Mountains; its eastern half is characterized by prairie terrain, badlands, and smaller mountain ranges. That distinction matters when planning an outdoor visit: a Montana address does not automatically mean an alpine setting. The river’s particular landscape, usable access locations, and travel connections are not established here. Treat this profile as broad planning context rather than a navigation guide, and verify the intended river section before arranging transport or choosing equipment.

Choosing an Activity and River Section

The broader Rocky Mountain region supports outdoor activities ranging from hiking and camping to kayaking, horseback riding, and whitewater rafting. Those regional opportunities do not establish which activities are suitable on a particular section of the Bighorn River. A useful river plan needs a confirmed starting location, an appropriate endpoint, and clear information about the intended activity. No specific launch, takeout, walking route, or river itinerary is established here, so there is no supported basis for assigning mileage or difficulty. Before committing to a day on the water, confirm that the chosen section matches the group’s skills and equipment. For a land-based visit, establish lawful access and the location of any actual trail rather than assuming that the riverbank provides a continuous walking route.

Practical Planning Before Departure

Build the visit around verified local information rather than Montana’s general outdoor reputation. The state is large, and its mix of mountains, prairie, and badlands makes broad regional descriptions insufficient for selecting a departure point or estimating travel time. Confirm the managing agency for the intended river section, then check access conditions and any applicable permissions directly with that agency. No permit terms, fees, seasonal access dates, or facility details are established here. Likewise, there is no supported month-by-month recommendation for this destination. Check the weather for the actual location and, if entering the river, obtain current water information before departure. Carry equipment appropriate to the confirmed activity, and settle transportation arrangements only after the starting and ending locations are known.

Sample itineraries

  • Bighorn River orientation day · 1 day

    Keep this as a flexible planning outline rather than a verified route. Before traveling, confirm a lawful river access point, current conditions, and whether your intended activity is suitable. Build the day around that confirmed location.

  • Two-day Bighorn River visit · 2 days

    Use the first day for orientation at a confirmed public access point. Reserve the second for an activity approved for that location and suited to current conditions. Confirm overnight arrangements separately; no campsite or river route is established here.

Seasonal conditions

Spring

Local timing unconfirmed

Bighorn River spring conditions are not established here. Check local weather, river conditions, and access before choosing dates or planning time on the water.

Summer

Local timing unconfirmed

Summer supports outdoor recreation across the broader Rocky Mountain region, but that does not establish suitable activities or conditions on the Bighorn River. Confirm conditions for the specific stretch you intend to visit.

Fall

Local timing unconfirmed

No river-specific fall conditions are established here. Keep plans flexible and check weather, access, and suitability for your intended activity before departure.

Winter

Local timing unconfirmed

Winter recreation is part of the broader Rocky Mountain region, but no Bighorn River winter access or water conditions are established here. Do not assume regional recreation guidance applies to the river.

Permits, fees & closures

Confirm permits, activity rules, and access requirements with the managing agency for the specific Bighorn River stretch you plan to visit.

Confirm current permits, fees, and closures with the managing agency before you go.

Hazards & regulations

  • Unverified access: no public entry point or usable river route is established here. Confirm lawful access before traveling.
  • Unverified river conditions: this profile does not establish whether a particular stretch is suitable for boating or other water activities.
  • Regional guidance is not river-specific safety guidance. Confirm local conditions rather than applying general Rocky Mountain recreation advice.

What to pack for Bighorn River

Planning essentials
  • Verified local access information
  • Current weather forecast
  • Managing agency contact details
General outdoor basics
  • Drinking water
  • Food for the planned outing
  • Clothing suited to the local forecast

Build this list in the gear builder →

Bighorn River FAQ

Where should a Bighorn River visit begin?
Start by identifying the river stretch you want to visit and confirming its managing agency and lawful access. No named launch, trailhead, or public entry point is established here.
What is the best season to visit?
A river-specific best season cannot be established here. Choose dates after checking local weather, river conditions, and the requirements of your intended activity.
Can you recommend a boating route?
No verified boating route, launch, takeout, or distance is established here. Obtain stretch-specific information before planning a trip on the water.
Are permits or reservations required?
Confirm requirements with the managing agency for your chosen stretch and activity. No permit terms, reservation requirements, or fees are established here.
Are the itineraries ready to follow?
They are planning outlines, not verified routes. Access, activity suitability, current conditions, and any overnight arrangements must be confirmed before departure.