The Sister Parks agreement is a partnership between 15 National Parks and Monuments and the Great Lakes Inventory and Monitoring Network in the Upper Midwest, and 7 National Parks, Wetlands, Refuges and Reserves on the Osa Peninsula of Costa Rica.
The United States National Parks Service participating areas:
- St. Croix National Scenic Riverway
- Mississippi National River and Recreation Area
- Apostle Islands National Lakeshore
- Voyageurs National Park
- Grand Portage National Monument
- Indiana Dunes National Lakeshore
- Isle Royale National Park
- Pictured Rocks National Lakeshore
- Sleeping Bear Dunes National Lakeshore
- North Country National Scenic Trail
- Effigy Mounds National Monument
- Ice Age National Scenic Trail
- Keweenaw National Historical Park
- Pipestone National Monument
- Great Lakes Inventory and Monitoring Network
Costa Rica’s National System of Conservation Areas (SINAC):
- Corcovado National Park
- Marino Ballena National Park
- Piedras Blancas National Park
- Térraba Sierpe National Wetlands
- Golfito Wildlife Refuge
- Isla del Caño Biologicial Reserve
- Golfo Dulce Forest Reserve
For more information, check out our Sister Parks Story!