Of 36 counties in the Union State, Harney County ranks first by size (10,227 square miles). Harney County is in Eastern Oregon. There is around 1,000 acres of riverfront land for sale in Harney County, Oregon, based on recent Land Network data. The combined market value of land for sale here is nearly $1 million. Browse all waterfront property for sale in Harney County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Harney County is undeveloped land.