Eagle Creek is a tributary, 41 miles (66 km) long, of the Powder River in the northeastern part of the U.S. state of Oregon.

Beginning at Eagle Lake in the Wallowa Mountains, the creek flows generally southwest and then southeast to meet the river near the small city of Richland.

[6] Along Forest Road 7755 slightly downstream of the Main Eagle Trailhead is the Boulder Park Campground with seven sites for tent or trailer camping.

Amenities include picnic tables, a vault toilet, and a loading ramp and bunk feeder for pack and riding animals.

Then Dixie, Bennet, O'Brien, Bradley, and East Fork Eagle creeks, followed by Blue Canyon and Twilight Gulch.