About northwest of the city is the Lower Granite Dam, the last and upper-most of the four dams on the lower Snake River. It was completed in 1975, creating a reservoir, Lower Granite Lake that stretches to Lewiston.
aBout nORthwESt of ThE ciTy iS The loWer granite dAm, the Last and uPper-mOSt oF thE four DAmS oN ThE lOwEr sNaKe riveR. it was COmpleted IN 1975, creATing a reseRVoir, LOWer graNiTe LAke THat stretchES To leWisTon.