Bogachiel Peak is a peak in the Olympic Mountains of Washington, U.S.. It is located in Olympic National Park. It is a high point on High Divide, and forms the southern end of Seven Lakes Basin. The peak is situated at the headwaters of the Bogachiel River. The name Bogachiel is a corruption of the Quileute words bo qwa tcheel el, or /boqʷač'íʔl/, from /bó:q'ʷa/, muddy, and /číʔlowa/, water, meaning gets riley [turbid] after a rain, muddy waters, or, less likely, big river.