Summer Summer in Eastern Oregon Combine hot summer days with rivers, lakes, mountains and streams, and you have a good recipe for all types of recreational fun. Waterskiing, fishing, hiking, sightseeing and whitewater activities are high on the list for summer activities. Daytime temperatures often reach the 90s, and throughout the region, the night air drops to a cool, comfortable level.
Newborn calves frolic in the meadows.
The sun shines brilliantly one moment - a snow flurry may follow the next. Combine hot summer days with rivers, lakes, mountains and streams, and you have a good recipe for all types of recreational fun. Golden tamaracks tint the mountains and red sumac paint the creek banks. Crisp and clear, winter in Eastern Oregon is gorgeous. Hundreds of miles of cross-country and snowmobile trails abound in the Blue and Wallowa mountains.