100 Days 48 States

IDAHO

City of Rocks NR Almo, ID
This stamp can be found at park headquarters in Almo on the east side of the reserve. From I-84, take exit 245 and drive southwest through Malta, Elba, and then Almo. From I-86, take the exit for Declo and drive south on route 77. The California NHT stamp is also located here. The road through the reserve is not paved and is very rocky, as it should be.
Craters of the Moon NM Arco, ID
Craters of the Moon is along US-93/26/20 between Carey and Arco. The stamp is kept in the visitor center, just near the park entrance.
Hagerman Fossil Beds NM Hagerman, ID
The visitor center in on US-30 right in the town of Hagerman. The Oregon NHT stamp is also located here.
Nez Perce NHP Spalding, ID
The Spalding Visitor Center and Nez Perce Park Headquarters is 10 miles east of Lewiston on US-95, near the intersection of US-12. The Nez Perce NHT and the Lewis & Clark NHT stamps are also located here.