Mill Island Natural Area is only accessible via the North Saskatchewan River. There is no land access to the park.
Location: 15 km north of Rocky Mountain House
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| Classification | Ecological Reserve |
| Legislation | Wilderness Areas, Ecological Reserves, Natural Areas and Heritage Rangelands Act |
| Park Size | 197.29 Acres / 79.844 Ha |
| Legal Boundary | O.C. 454/71 |
| Administration / Information | 403-845-8349 |
| Regional Office | Central Regional Office |
| District | Rocky Mountain House |
| Special Designations | |
| Natural Region |
Boreal Forest - Dry Mixedwood |
| Natural Region Description | This site is a floodplain of North Saskatchewan River dissected by numerous river channels. The area becomes an island during high water. It contains mature mixedwood stands (spruce and poplar) and calcareous marsh along river channel. There is high use by wildlife in this natural area. |
| Land Use Framework Region | South Saskatchewan |
Hiking - Front Country
OHV Riding (On-site)