| Last Mountain Lake 80A | |
| Official Name: | Last Mountain Lake Indian Reserve No. 80A |
| Settlement Type: | Indian reserve |
| Map Alt: | A map of the province of Saskatchewan showing 297 rural municipalities and hundreds of small Indian reserves. One is highlighted with a red circle. |
| Subdivision Type: | First Nations |
| Subdivision Name: | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Saskatchewan |
| Seat Type: | Community |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Ha: | 508.2 |
| Population As Of: | 2016 |
| Population Density Km2: | auto |
Last Mountain Lake 80A is a shared Indian reserve in Saskatchewan, used by the Day Star, George Gordon, Kawacatoose, Muscowpetung, Muskowekwan, Pasqua, and Piapot First Nations.[1] [2] It is in Township 21, Range 21, west of the Second Meridian.
The reserve is located on the western shore of Last Mountain Lake,[3] on the west side of Regina Beach. It surrounds Little Arm Bay,[4] which is where Arm River flows into the lake.