Snake River canyon setting
The falls are inseparable from canyon incision. Basalt plateau edges, river erosion, and dryland setting define the surrounding terrain.
Basalt edge and seasonal discharge
Flow varies through the year, while the hard rock edge and canyon floor preserve the long-term river-cutting process.
River
Snake River
The canyon river supplies the waterfall.
Rock
Basalt plateau
Volcanic bedrock frames the drop.
Climate
Dryland setting
The falls contrast with arid surrounding terrain.