Find Your Next Spot
Missouri River Fishing Regulations
What to check before fishing at York's Islands in Broadwater County, Montana.
Fishing at Missouri River
York's Islands provides access to Missouri River, a public body in Broadwater County, Montana. Species-specific size and bag limits can vary by water body and change seasonally, so always confirm current rules for Missouri River specifically before you fish — statewide defaults don't always apply to every lake, river, or stretch of coast.
Check current regulations for Missouri River →Fishing License
Fishing in Montana is regulated by the Montana Fish, Wildlife & Parks. Most anglers 16 and older need a valid license, with some exceptions for residents, youth, or shore-based fishing depending on the state.
Get a Montana fishing license →Before you cast a line, check:
- Size and bag limits for your target species on Missouri River specifically
- Whether Missouri River has any special regulations (slot limits, catch-and-release zones, closed seasons)
- Your license requirements based on age, residency, and whether you're fishing from the bank or a boat
- Any required stamps or endorsements for specific species (e.g. trout, saltwater)