Upward Sun River site

Upward Sun River (USR)
Xaasaa Na’
Alternative nameLittle Delta Dune, 49XBD-298
LocationTanana Valley, Alaska
RegionBeringia
Coordinates64.2008° N, 149.4937° W
Typemulti-component site
History
PeriodsLate Pleistocene
CulturesPaleo-Arctic tradition
Site notes
Excavation dates2010, 2013
ArchaeologistsBen Potter

The Upward Sun River site, or Xaasaa Na’, is a Late Pleistocene archaeological site associated with the Paleo-Arctic tradition, located in the Tanana River Valley, Alaska. Dated to around 11,500 BP,[1] Upward Sun River is the site of the oldest human remains discovered on the American side of Beringia.[2] The site was first discovered in 2006.

The layer with the human remains at Upward Sun River is most similar to the level 6 layer from Ushki Lake, Kamchatka.[3][4][5][6][7] Both sites are the only Beringian burials found so far from that period.[5][6]