Kirkham Campgrounds and Hot Springs.
WHAT: A waterfall and pools of 102° to 118° mineral water surrounded by magnificent scenery. WHEN: Open 24 hours daily. HOW MUCH: Free to park outside entrance; after May 26, park in lot ($4). WHERE: 4 miles north of State 17/Banks-Lowman Hwy. on State 21 along the South Fork Payette River. Lowman Ranger Station, 208/259-3361.
WHAT: Huge wapiti (or elk) herds feeding roadside. Also look for bald eagles, mule deer, and wild turkeys. WHEN: Sightings usually at dusk or dawn. WHERE: A 5-mile stretch near Danskin Station river access on State 17/Banks-Lowman Hwy., Garden Valley. Idaho Department of Fish and Game, 208/465-8465.
Info: Take State 21 north to Lowman, then travel State 17/Banks-Lowman Hwy. before heading back to Boise on State 55.