Morning sun reaches into the gorge of the Palouse River and sparkles off the riffles. Sea Lion guests peered over this 700-foot brink while exploring the channeled scablands carved across central Washington some 12,000 years ago by Pleistocene floods. The Corps of Discovery camped near here in October 1805 and named this "Dreweyer's River for their interpreter and foremost hunter, George Droulliard. Misspellings were common in their rough journals (William Clark was dyslexic). That name was lost to map makers because the expeditions' maps and journals were so long delayed in publishing. French Canadian fur brigade members called the surrounding country La Pelouse or grassland country. In time that name transposed into Palouse and is now official for both the river and the Palouse Indians who lived here.