What are the highest roads in Idaho?
Located in the northwestern region of the United States, Idaho contains hundreds of individual mountain ranges an unspoiled beauty. It has the most rugged terrain in the country, with 114 named mountain ranges and fifty mountain peaks having an elevation of 10,000 feet above sea level. Literally covered from north to south by the Rocky Mountains, the State is known for its mountainous landscapes and vast swaths of protected wilderness and outdoor recreation areas.
Highest roads in Idaho
| Mountain pass | Elevation | County | Surface |
| Railroad Ridge | 3.180m (10,433ft) | Custer | Gravel |
| Big Windy Peak | 3.170m (10,400ft) | Lemhi | Gravel |
| Twin Peaks South | 3.154m (10,347ft) | Custer | Gravel |
| Trail Peak | 3.147m (10,324ft) | Lemhi | Gravel |
| Lem Peak | 3.083m (10,114ft) | Lemhi | Gravel |
| Pinyon Peak | 3.032m (9,947ft) | Custer | Gravel |
| Sawtell Peak | 3.017m (9,898ft) | Fremont | Gravel |
| Boulder Basin | 2,987m (9,799ft) | Blaine | Gravel |
| Wildhorse Peak | 2.913m (9,560ft) | Custer | Gravel |
| Estes Mountain | 2.900m (9,514ft) | Custer | Gravel |
| Mount Jordan | 2.889m (9,478ft) | Custer | Gravel |
| Trinity Mountain | 2.868m (9,409ft) | Elmore | Gravel |
| Forest Road 086 | 2.846m (9,337ft) | Lemhi | Gravel |
| Sleeping Deer Road | 2.845m (9,333ft) | Custer-Lemhi | Gravel |
| Oxford Peak | 2.831m (9,288ft) | Franklin | Gravel |
| Red Mountain | 2.830m (9,284ft) | Custer | Gravel |
| Lake Mountain | 2.827m (9,274ft) | Lemhi | Gravel |
| Mount Harrison | 2.823m (9,261ft) | Cassia | Asphalt |
| Iron Lake | 2.797m (9,176ft) | Lemhi | Gravel |
| Mountain Baldy | 2.793m (9,163ft) | Lemhi | Gravel |
| Sedgwick Peak | 2.791m (9,156ft) | Bannock | Gravel |
| Herd Lake Road | 2.778m (9,114ft) | Custer | Gravel |
| Goldstone Pass | 2.774m (9,101ft) | Lemh | Gravel |
| Middle Fork Peak | 2.767m (9,078ft) | Lemhi | Gravel |
| Forest Road 053 | 2.766m (9,074ft) | Custer | Gravel |
| Blackbird Mountain | 2.761m (9,058ft) | Lemhi | Gravel |
| Goldstone Pass | 2.760m (9,055ft) | Lemhi | Gravel |
| Bachelor Mountain | 2.754m (9,035ft) | Custer | Gravel |
| Feltham Creek Point | 2.744m (9,002ft) | Custer | Gravel |
| Leatherman Peak | 2.742m (8,996ft) | Custer | Gravel |
| Fly Creek Point | 2.739m (8,986ft) | Lemhi | Gravel |
| Walkers Peak | 2.735m (8,973ft) | Valley | Gravel |
| Antelope Pass | 2.726m (8,943ft) | Custer | Gravel |
Pic: http://larryprescott.blogspot.com/2015/08/climbing-sheep-mountain-big-windy-peak.html