Fish in Yellowstone's Northwest

Map of Yellowstone with the northwest section colored gray

Includes the Madison and Gallatin river drainages, including Firehole and Gibbon rivers and tributaries.

Permanently Closed to Fishing

  • Firehole River from road bridge .5 mile (.8 km) upstream of Old Faithful to road bridge at Biscuit Basin, 200 yards (182 m) either side of Midway footbridge.
  • Madison River from Seven Mile Bridge upstream 250 yards (226 m).

Expanded Fishing Access

The following park waterways are open for fishing beyond the standard fishing season:

May 1-Oct. 31:

  • Firehole River downstream to the confluence with the Gibbon River at Madison Junction.
  • Gibbon River from the bridge on Grand Loop Road at the entrance to Norris Campground downstream to the confluence with the Firehole River at Madison Junction.
  • Madison River from the Montana-Wyoming state line upstream to the confluence with the Gibbon and Firehole rivers at Madison Junction.

Year-round:

  • Madison River from the Montana-Wyoming state line downstream to the park boundary near the West Entrance in West Yellowstone, Montana.

Flyfishing Only

Use only artificial flies regardless of the type of rod or line.

  • Madison River
  • Firehole River
  • Gibbon River below Gibbon Falls (not including their tributaries).

Possession Limits

Native Trout Conservation Area

  • Catch and release all native fish.
  • No possession limit on nonnative fish.

Nonnative Trout Tolerance Area

  • Limit of 5 brook trout.
  • Catch and release all rainbow and brown trout.
 
 
Map of Yellowstone's Northwest showing fishing locations
 
Angler fishing in a river with a mountain in the background.
Gone Fishing

If you're planning on casting a rod here, help us protect our native species by following all park fishing regulations.

An angler standing in a winding stream and fly-fishing.
Fishing Regulations (PDF)

Download the Yellowstone Fishing Regulations booklet.

An underwater view of a spotted fish with a red slash on its neck and side swims above pebbles
Native Fish Species

Native fish underpin natural food webs and have great local economic significance.

A biologist holds a net full of Yellowstone cutthroat trout
Fish Management

Learn how the Native Fish Conservation Program works to preserve Yellowstone Lake cutthroat trout and to restore fluvial trout populations.

Zebra mussel infestation
Clean, Drain & Dry

Prevent damaging aquatic invasive species from reaching Yellowstone.

Last updated: January 28, 2026

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Contact Info

Mailing Address:

PO Box 168
Yellowstone National Park, WY 82190-0168

Phone:

307-344-7381

Contact Us