FTP identify this large tributary which starts in Wyoming and joins the Columbia just south of Pasco Washington.
The middle section of this river from King Hill to Weiser is primarily used for hydroelectric power, and tributary streams in this section include the Payette and the Malheur. Big Wood and Henry's Fork enter it from the north and its large falls include Shoshone and Twin Falls, but its most spectacular vistas probably lie along Hell's Canyon between Oregon and Idaho. FTP identify this large tributary which starts in Wyoming and joins the Columbia just south of Pasco Washington.
The middle section of this river from King Hill to Weiser is primarily used for hydroelectric power, and tributary streams in this section include the Payette and the Malheur.
the Snake River