Heads 13 mi. NW of Cordova Peak, trends NE to its 1953 terminus, 3.4 mi. SE of Marshall Pass, and 28 mi. SE of Valdez, Chugach Mts.
HistoryNamed in 1963 by A. S. Post, University of Washington, "for the Tasnuna River."
101 Wall, Blueberry Block, Republic of Boulder, The Sunny Side,
Glaciers:Bench Glacier, Cordova Glacier, Deserted Glacier, Heiden Glacier, Marshall Glacier, Tasnuna Glacier, The Beach, Woodworth Glacier, Wortmanns Glacier,
Lakes:Blueberry Lake, Rude Lake, Thompson Lake, Worthington Lake,
Locales:Bald Boy, Catchers Mitt, Cracked Ice, Crudbusters, Deep Crudbusters, Diamond, Gun Barrels, Heavenly, Iguana Backs, Little Diamond, Little Girls, Little Odyssey, Lizard Head, Mega Sumo, Mercury, Moonlight Basin, Nick's Happy Valley, North Odyssey, Promise Land, Python, RFS, Road Run, School Bus, Snatch, Stairway, Valley of the Tusk, Vertigo,
Mountains:Mount Dimond, Mount Dimond, The Island, Odessey, Pontoon,
Parks:Blueberry Lake State Recreation Site,
Mountain Passes:Marshall Pass, Ptarmigan Drop, Thompson Pass,
Peaks:Berlin Wall, Bronto, Cracked Ice, Elephant, Elephant Crud, Goodwills, Halibut Head, Ivory Tusk, Little Matterhorn, Purple Nurple, Pyramid, Python, RFS, Rhinestone Cowgirl, Stairway, The Tusk, Total Crud, Wilbur's,
Mountain Ranges:Ridges:Streams:Cascade Creek, Heiden Creek, Ptarmigan Creek, Small Creek,
Routes:DOT Glacier Trail, Little Odessey Trail, Thompson Pass Pipeline Access Road, Trans-Alaska Trail - Valdez to Thompson Pass, Worthington Glacier Ridge Trail,
Cities: