1) Glacier National Park and Waterton Lakes National Park, Canada.
2) Klondike Goldrush National Historic Park and Chilkoot Trail National Historic Site, Canada.
3) Pictured Rocks National Lakeshore and Pukaskwa National Park, Canada.
4) Big Bend National Park and Maderas Del Carmen Flora and Fauna Protection Area and Santa Elena Canyon Flora and Fauna Protection Area, Mexico.
Villages and Protected Areas Adjacent Big Bend NP
Partners in the Protection of the Chihuahuan Desert
US-Mexico Sister Areas
5) Organ Pipe Cactus National Monument and El Pinacate y Gran Desierto Biosphere Reserve and Alto Golfo de California y Delta del Rio Colorado Biosphere Reserve, Mexico.
6) Chiracahua National Monument/Coronado National Memorial and Ajos-Bavispe National Forest Reserve and Wildlife Refuge, Mexico.
7) Chiracahua National Monument and Sierra de Alamos National Flora and Fauna Protection Area, Mexico.
8)Coronado National Memorial and El Chico National Park, Mexico.
9) Saguaro National Park and San Pedro Martir National Park, Mexico.
10) White Sands National Monument and Cuatrocienegas Reserve, Mexico. Also see here.
11) Mesa Verde National Park and Caracol Archaeological Reserve, Belize.
12) Chaco Culture National Historical Park and Copan Archaeological Park, Honduras.
13) Big Cypress National Preserve and Laguna del Tigre National Park, Guatemala.
14) Everglades National Park and Pantanal National Park, Brazil and the National Parks of the Bahamas.
15) Indiana Dunes National Lakeshore and Kampinos National Park, Poland.
Some of the activities carried out in this sister park relationship include exchange visits by park staff, NPS assistance in the design of exhibits at the Kampinos visitor center, and assistance in finding research funds.
Indiana Dunes/Kampinos Sister Park Website
16) Sleeping Bear Dunes National Lakeshore and Slowinski National Park, Poland.
17) Cuyahoga Valley National Park and Zahorie Protected Landscape Area, Slovakia.
The Sister Park project has included short study tours and longer
internships for park personnel. Future plans include an eco-tour of Slovak parks for U.S. participants and a bilingual brochure describing both park areas and the Sister Park project. While the two parks are the central focus of the project, they also serve as conduits for a wider exchange between other U.S. parks and other Slovak parks
18) Badlands National Park and Hortobagy National Park, Hungary.
19) Badlands National Park and Vashlovani Nature Reserve, Republic of Georgia.
Badlands Sister Parks Website
20) Great Teton National Park and Lagodekhi Reserve, Republic of Georgia.
21) Point Reyes National Seashore and Kolkheti Nature Reserve, Republic of Georgia.
22) Olympic National Park and Balaton Uplands National Park, Hungary.
23) Yukon Charlie Rivers National Preserve/Gates of the Arctic National Park and Lake Hanka National Natural Preserve, Russia.
24) Wrangell - St. Elias National Park and Sikhote-Alin Biosphere Reserve, Russia.
25) Katmai National Park and Kronotskiy Biosphere Reserve, Russia.
26) Fossil Butte National Monument and Khvalynsky National Park, Russia.
27) John Muir National Historic Site and the John Muir House, Scotland.
28) Philadelphia Support Office and Sagarmatha National Park, Nepal.
29) Golden Gate National Recreation Area, and Parks Victoria, Australia, the Department of Conservation, New Zealand and Table Mountain National Park, South Africa.
30) Dinosaur National Monument and Golden Gate Highlands National Park, South Africa.