
Palouse Falls: Scabland canyon.

Palouse Falls: Scabland canyon.

Palouse Falls: Scabland canyon.

Palouse Falls: Drop.

Palouse Falls: Drop.

Palouse Falls: Virgin’s bower clematis (Clematis virginiana).

Palouse Falls: Virgin’s bower clematis (Clematis virginiana).

Palouse Falls: Wanapum and Grand Ronde basalts.

Palouse Falls: Wanapum and Grand Ronde basalts.

Palouse Falls: Spires. This fractured formation is about 24 feet tall (7 meters) and shows the interface between the Wanapum and Grand Ronde units of the Columbia Basin basalts.

Palouse Falls: Spires. This fractured formation is about 24 feet tall (7 meters) and shows the interface between the Wanapum and Grand Ronde units of the Columbia Basin basalts.