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Upper Cow Lake Fishing Regulations
What to check before fishing at Upper Cow Lake in Malheur County, Oregon.
Fishing at Upper Cow Lake
Upper Cow Lake provides access to Upper Cow Lake, a public body in Malheur County, Oregon. Species-specific size and bag limits can vary by water body and change seasonally, so always confirm current rules for Upper Cow Lake specifically before you fish — statewide defaults don't always apply to every lake, river, or stretch of coast.
Check current regulations for Upper Cow Lake →Fishing License
Fishing in Oregon is regulated by the Oregon Department of Fish and Wildlife. 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 Oregon fishing license →Before you cast a line, check:
- Size and bag limits for your target species on Upper Cow Lake specifically
- Whether Upper Cow Lake 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)