Your search for Wallowa County, Oregon revealed 9 records:

Date:	Source:	Location:	Description:
Fall 2000	BigfootEncounters	Joseph	Hunters observe a bigfoot in a valley
1988 or 89	The Track Record #42		Campers report something rummaging through backpacks, see furry creature
Summer 1988	BFRO	Wallowa	Teenager observes two upright-walking animals playing while scouting for elk in the Eagle Cap Wilderness
1970 's (late)	The Track Record		Man, sleeping along rd, hears creature running by repeatedly, vocalizing
summer 1998	oregonbigfoot.com	Baker City	Rough hands reach into tent, grab campers by the feet
summer 2001	oregonbigfoot.com	Joseph	Boy scouts have sighting while playing in woods
fall 2004	oregonbigfoot.com	Troy	Creature seen crossing road in pre-dawn hours
winter 2006	oregonbigfoot.com	Troy	Woman sees tracks while snowmobiling
1979	oregonbigfoot.com	Joseph	Man witnesses bipedal creature cross road in front of him