1 . 2 %) ▁is ▁water . ▁It ▁is ▁part ▁of ▁the ▁Pal ouse , ▁a ▁wide ▁and ▁rolling ▁pra irie - like ▁region ▁of ▁the ▁middle ▁Columbia ▁bas in . ▁ ▁Ad j acent ▁count ies ▁ ▁Sh osh one ▁County ▁– ▁north ▁ ▁Min eral ▁County , ▁Mont ana ▁– ▁n ortheast / Mount ain ▁Time ▁Border ▁ ▁Miss ou la ▁County , ▁Mont ana – ▁east / Mount ain ▁Time ▁Border ▁ ▁Id aho ▁County ▁– ▁south ▁ ▁Lewis ▁County ▁– ▁south west ▁ ▁Ne z ▁Per ce ▁County ▁– ▁south west ▁ ▁L ata h ▁County ▁– ▁west ▁ ▁Major ▁high ways ▁ ▁US - 1 2 ▁ ▁SH - 7 ▁ ▁SH - 8 ▁ ▁SH - 1 1 ▁ ▁National ▁protected ▁areas ▁ ▁Clear water ▁National ▁Forest ▁( part ) ▁Mall ard - L ark ins ▁P ione er ▁Area ▁L olo ▁Tra il ▁National ▁Historic ▁Land mark ▁( part ) ▁ ▁Ne z ▁Per ce ▁National ▁Historical ▁Park ▁( part ) ▁C ano e ▁Camp ▁M uss el shell ▁M ead ows ▁Pier ce ▁Cour th ouse ▁Wei ppe ▁Pra irie ▁ ▁St . ▁Joe ▁National ▁Forest ▁( part ) ▁ ▁Ski ▁area ▁ ▁Bald ▁Mountain ▁Ski ▁Area ▁ ▁Government ▁and ▁infrastr ucture ▁The ▁Id aho ▁Department ▁of ▁Cor re ction ▁oper ates ▁the ▁Id aho ▁Cor re ction al ▁Institution - O ro f ino ▁in ▁O ro f ino . ▁ ▁Dem ograph ics ▁▁ 2 0 0 0 ▁census ▁As ▁of ▁the ▁census