4:06pm . Tillamook Head*, Oregon
After more than 18 arduous months of exploration, the Corps of Discovery had yet to face what Capt. William Clark would call “the Steepest worst & highest mountain I ever ascended.” Tillamook Head, located between present day Seaside and Cannon Beach, claimed that title, according to Clark’s journal.
*there’s a good trail now, so it’s really not that bad.