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River in Wyoming, United States

Lamar River (YNP)

Yellowstone's cutthroat stronghold — sight-fishing river through Lamar Valley.

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Where on earth

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

Region
Wyoming, USA
Country
Worldwide
Biome
Yellowstone valley (2,000 m)
Best season
July – October
Difficulty
moderate
Known for
  • Backpacking
  • Hiking
  • Wildlife Viewing
  • Canoeing
  • Fishing

Key takeaways

  • Biome: Yellowstone valley (2,000 m)
  • Best season: July – October
  • Difficulty: moderate
  • Top activity: backpacking
Loading live weather & climate for Lamar River (YNP)…

Photos of Lamar River (YNP)

The Lamar River is a tributary of the Yellowstone River, approximately 40 miles (64 km) long, in northwestern Wyoming in the United States. The river is located entirely within Yellowstone National Pa
Photo: Wikipedia contributors · See Wikimedia Commons

Topic summary

Yellowstone's cutthroat stronghold — sight-fishing river through Lamar Valley.

Key takeaways

  • Difficulty: moderate
  • Best season: July – October

Intended uses

backpacking

Climate suitability

Yellowstone valley (2,000 m)

Region
Worldwide
Biome
Yellowstone valley (2,000 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

Lamar River (YNP) is in Wyoming, USA, Worldwide. Its center point is 44.9000, -110.4000. 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 Lamar River (YNP)

  • 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.

  • Wildlife Viewing

    Best light, best season, and where animals move.

  • Canoeing

    Paddle routes, portages, and put-ins.

  • Fishing

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

Animals around Lamar River (YNP)

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 Lamar River (YNP)

Planning to fish Lamar River (YNP), Wyoming? Fishing licenses, open seasons and catch limits in Wyoming 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 Lamar River (YNP)?

  • A Wyoming fishing license is normally required for anyone over the local youth age.
  • Read the current Wyoming 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 Lamar River (YNP)

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

Is hunting allowed at Lamar River (YNP)?

  • Confirm the land around Lamar River (YNP) is open to hunting and which management unit it falls in.

What do I need to hunt in Wyoming?

  • A Wyoming 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.

Lamar River trip planning

Access, routes, conditions, and management details for Lamar River in Yellowstone National Park have not been verified here. Confirm these details with the park before choosing an itinerary.

Sample itineraries

  • One-day planning placeholder · 1 day

    A place-specific day itinerary cannot be established from the available destination information. Confirm access points, suitable routes, and current conditions with the managing agency before choosing an outing.

  • Two-day planning placeholder · 2 days

    This is not a verified overnight itinerary. Confirm routes, overnight options, access, and applicable requirements with the managing agency before making a two-day plan.

Seasonal conditions

Spring

Not established

Spring access and river conditions are not established. Obtain current destination-specific guidance before planning.

Summer

Not established

Summer weather, water conditions, and route suitability are not established. Confirm conditions for the intended activity.

Fall

Not established

Fall access and weather patterns are not established. Confirm current conditions rather than assuming summer plans remain suitable.

Winter

Not established

Winter access and activity suitability are not established. Obtain current guidance before selecting a route or travel method.

Permits, fees & closures

Confirm permit requirements with the managing agency.

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

Hazards & regulations

  • River hazards are not established; do not treat this profile as a water-safety assessment.
  • Route and access hazards are not established; obtain current guidance before departure.
  • Wildlife hazards are not established; confirm destination-specific precautions with the managing agency.

What to pack for Lamar River (YNP)

Planning information
  • Verified route and access information
  • Current managing-agency guidance
Equipment decisions
  • Establish activity-specific equipment needs after confirming the route
  • Establish clothing and safety needs after checking current conditions

Build this list in the gear builder →

Lamar River (YNP) FAQ

Which access point should be used?
No access point can be verified from the available destination information. Ask the managing agency for options suited to the intended activity.
What routes and distances are recommended?
No routes or distances are established. A reliable recommendation requires destination-specific route information.
When is the best time to visit?
A preferred season cannot be established. Confirm seasonal access and conditions before choosing travel dates.
Can an overnight trip be planned?
Overnight options and requirements are not established. Confirm whether the intended trip is appropriate and what arrangements it requires.
Is this profile sufficient for trip planning?
No. Essential destination details remain unverified, including access, routes, seasonal conditions, and hazards. Obtain current managing-agency information before departure.