O'Brien Township is a township in Beltrami County, Minnesota, United States. The population was 56 as of the 2000 census.
O'Brien Township was named for William O'Brien, a lumberman.
Geography
According to the United States Census Bureau, the township has a total area of 36.0 square miles (93.1 km), of which 35.9 square miles (93.1 km) is land and 0.04 square miles (0.1 km) (0.08%) is water.
Major highway
- 25px Minnesota State Highway 89
Lakes
- Alaska Lake (east half)
- Balm Lake
- Barr Lake
- Crookston Lake
- Dellwater Lake
- Fahul Lake (west quarter)
- Fessland Lake
- Frisby Lake (east edge)
- Haggerty Lake (east edge)
- Island Lake
- Mina Lake
- Moose Lake
- Parks Lake
- Pickerel Lake
- Rice Lake
- Rice Lake (west three-quarters)
- Sylvia Lake (east three-quarters)
- Ten Mile Lake
Adjacent townships
- Alaska Township (north)
- Nebish Township (east)
- Maple Ridge Township (southeast)
- Roosevelt Township (southwest)
- Clover Township, Clearwater County (west)
- Sinclair Township, Clearwater County (west)
Demographics
As of the census