Archives: COAs

The northern boundary of this COA follows Buck Hollow Creek, with the remaining boundaries connecting to the Lower Deschutes River (COA ID 148) and Lawrence Grasslands (COA ID 152) COAs.

This area includes important and rare low eleveation rocky outcropping and cliff habitat as well as Antelope Creek, historically one of the biggest producers of Summer Steelhead in the Rogue Watershed.

This area is diverse with open south-facing meadows, oak woodlands, and mature conifers.

The northern extent of this long narrow COA includes Tudor Lake at the eastern base of Steens Mountain. Continuing south and encompassing a large swath of the Alvord Desert, including the seasonal and alkali Alvord Lake, the COA ends just south of the community of Fields in the Pueblo Valley.

The Alsea Estuary is large and shallow and provides overwintering habitat for migrating waterfowl and rearing habitat for coastal salmonids. The COA also has had extensive salt marsh habitat restoration and contains a lot of public lands.

Encompassing Alkali Lake, this COA is the smallest in the Northern Basin and Range ecoregion. It is located north of Lake Abert and just west of US Highway 395 in eastern Lake County.