 The reservation is only , but includes about a mile of the Pacific coastline south of the mouth of the Hoh River.In mapping Indian land cession the Washington Department of Fish and Wildlife had to make some guesses and assumptions about the cession boundaries.The line between the Quinault and Makah cession was assumed to extend from current day Cape Alava due east to a watershed divide separating streams flowing north to the Strait of Juan de Fuca and streams flowing to the Pacific.