Montana Fishing Regulations
Freshwater and saltwater fishing regulations by state.
Selected state: Montana · Updated: 2025-03-01
Regulations by State
General regulations for Montana. Many coastal zones and reservoirs have special rules — always confirm on the official source.
| Species | Minimum Size | Bag Limit | Source |
|---|---|---|---|
Largemouth Bass | 15 inches | 5 | Montana Fish, Wildlife & Parks |
Walleye | 14 inches | 5 | Montana Fish, Wildlife & Parks |
Northern Pike | No minimum size | 5 | Montana Fish, Wildlife & Parks |
Crappie | No minimum size | 15 | Montana Fish, Wildlife & Parks |
Bluegill (Sunfish) | No minimum size | 15 | Montana Fish, Wildlife & Parks |
Rainbow Trout | No minimum size | 5 (in combination with other trout) | Montana Fish, Wildlife & Parks |
Cutthroat Trout | No minimum size | 5 (in combination with other trout) | Montana Fish, Wildlife & Parks |
Smallmouth Bass | 15 inches | 5 | Montana Fish, Wildlife & Parks |
Channel Catfish | No minimum size | 15 | Montana Fish, Wildlife & Parks |
Yellow Perch | No minimum size | 15 | Montana Fish, Wildlife & Parks |
View official Montana freshwater regulations
Verify current limits and seasons on the official Montana Fish, Wildlife & Parks website.
If you find the fishing regulation data is wrong, please contact us.