Look Green Canyon up on a government map and it still says Pincock Hot Springs. This guide explains why: Pincock is the original name and the one in the federal place-name records, and the resort took its new name from the canyon along Canyon Creek.
It covers the 1812 Stuart party, the first pool in 1903, one family since 1953, the four pool temperatures, and the drive in from Rexburg, Idaho Falls and Yellowstone.