The Idaho Northern and Pacific Railroad Company (INPR), is a 210 mile property composed of four former UPRR branch lines operating in southwestern Idaho and northeastern Oregon. The INPR serves and switches many industrial customers around the Boise area. Shipments are predominately forest products, agricultural products and chemicals. The INPR also operates a tourist train, the Thunder Mountain Line, on its Cascade Branch. Rio Grande Pacifc Corporation maintains a 100% equity interest in this property.