A
- Aaron Provincial Park
- Abitibi de Troyes Provincial Park
- Adamson Estate
- Albion Hills Conservation Area
- Aldergrove Lake Regional Park
- Alderney Park
- Algonquin Provincial Park
- Alice Lake Provincial Park
- Allan Brooks Nature Centre
- Amherst Shore Provincial Park
- Anchorage Provincial Park
- Antelope Lake Regional Park
- Arches Provincial Park
- Arrowhead Provincial Park
- Arrow Lakes (Shelter Bay) Provincial Park
- Ashbridge's Bay Park
- Aspen Beach Provincial Park
- Assessippi Provincial Park
- Assiniboia Regional Park
- Assiniboine Park
- Assiniboine Park Conservatory
- Athabasca Falls
- Athabasca Sand Dunes Wilderness Provincial Park
- Atikaki Provincial Wilderness Park
- Atlin Provincial Park
- Atton's Lake Regional Park
- Aulavik National Park
- Aurora War Memorial Peace Park
- Auyuittuq National Park
- Awenda Provincial Park
