John Day River basin, north central Oregon, Ochoco-John Day Highlands, Wallowa County, lower Columbia River basin, northern and northwest Blue Mountains, southern Blue Mountains, Grande Ronde ...

In fact, there are more than 200 named waterfalls in Oregon, spanning from the rugged coast and lush valleys to the alpine wilderness and famed Columbia River Gorge ... on Oregon maps, Ki-a ...

The conservation of one of the richest wild salmon spawning grounds in America is under the guidance of an alliance most people have never heard of.

Oregon environmental regulators gave a key stamp of approval to a proposed $2.5 billion biofuel refinery along the Columbia River despite continued opposition from environmental groups and tribes ...