the destination

onion portage adventures

flight otz - abl

Explore America's Arctic Sand Dunes With O.P.A. you can venture Onion Portage and The Great Kobuk Sand Dunes. Both are located in Kobuk Valley National Park, where thousands of the "Western Arctic Caribou Herd" migrate each year.

visit onion portage adventures

largest sand dunes in the arctic

kobuk valley

North of the Arctic Circle lies the great Kobuk Valley, a land where you can only arrive by bush plane. Kobuk Valley is Alaska's most preserved national park, a land of solitude untouched by modern society. You won't find any man made trails here, only trails carved by nature. Kobuk Valley is renowned for world class fishing and the largest sand dunes in the Arctic.

National Historic Landmark

onion portage

Located inside of Kobuk Valley National Park is Onion Portage Archeological site. This area is known to the locals as Paatitaaq, or Onion Portage, because of the wild onions that grow along the riverbanks. Archeologists have discovered 9 different cultures here that date back more than 10,000 years ago. Thousands of caribou migrate through Onion Portage each year.

Preserved Native Heritage

ambler

Your trip begins here! Ambler is the basecamp for Onion Portage Adventure. Known as Ivisaapaat in Inupiat, Ambler is a native village filled with heritage. With a population under 300, the village is community driven and full of cultural traditions.