27 twisty stretches · 361 km of twisty road within reach of Camp Thomas — joined from OpenStreetMap geometry and scored by NavForge's map pipeline. Paved, unpaved and flowing stretches ranked separately.
Every twisty stretch of road within 60 km of Camp Thomas, Idaho — whole roads joined from OpenStreetMap geometry, walked a kilometre at a time and ranked by twisty kilometres. The best sealed one is Old Highway 95 · near White Bird with 10.0 twisty km. Click a road to see it on the map above, or take the GPX.
27
Stretches within 60 km
361 km
Twisty kilometres
1,052
Tight corners
8 / 16
Sealed / unsealed shown
Old Highway 95 · near White Bird
Paved twisty Paved 100%
11.0 km · 10.0 twisty km · best km 11 · ~12 tight corners
km 2–13 of 13.5
Score 9 · High
State Highway 11 (ID 11) · Fraser → Greer
Paved twisty Paved 100%
10.0 km · 10.0 twisty km · best km 10 · ~7 tight corners
km 17–27 of 28.6
Score 8 · High
Old Spiral Highway · near Lewiston
Paved twisty Paved 100%
9.0 km · 9.0 twisty km · best km 9 · ~4 tight corners
km 1–10 of 11.7
Score 8 · High
State Highway 64 (ID 64) · near Kamiah / qemyexp
Paved twisty Paved 100%
10.0 km · 9.0 twisty km · best km 11 · ~4 tight corners
km 14–24 of 25.2
Score 9 · High
Grangeville-Salmon Road (NF 221) · Four Corners → Mount Idaho
Paved twisty Paved 100%
8.0 km · 8.0 twisty km · best km 9
km 24–32 of 39.5
Score 8 · High
Old White Bird Hill Road · Grangeville → White Bird
Paved twisty Paved 100%
7.3 km · 6.2 twisty km · best km 11 · ~31 tight corners
km 0–7.3 of 7.3
Score 9 · High
Mount Idaho Grade Road · near Grangeville
Paved twisty Paved 100%
6.2 km · 6.2 twisty km · best km 8
km 9–15.2 of 15.2
Score 8 · High
Harpster Grade Road (ID 13) · Harpster → Grangeville
Paved twisty Paved 100%
6.0 km · 6.0 twisty km · best km 9
km 25–31 of 42.4
Score 8 · High
Grangeville-Salmon Road (NF 221) · Four Corners → Grangeville
Flowing Paved 100%
28.4 km · 12.4 twisty km · best km 9 · ~7 tight corners
km 11.1–39.5 of 39.5
Score 7 · Moderate
Nez Perce National Historic Trail (ID 13) · Stites / welwelhiituukpe → Harpster
Flowing Paved 100%
9.0 km · 2.0 twisty km · best km 7
km 12–21 of 42.4
Score 5 · Moderate
State Highway 14 (ID 14) · Grangeville → Harpster
Flowing Paved 100%
10.0 km · 0.9 twisty km · best km 7
km 69.1–79 of 79.7
Score 5 · Moderate
Crooked Road (FR 672) · Slate Creek → Kirkwood Corrals
Unpaved & 4WD Gravel/Dirt 0%
31.0 km · 31.0 twisty km · best km 11 · ~59 tight corners
km 0–31 of 31.5
Score 10 · High
Cove Road (FR 279) · Grangeville → Asbestos Point
Unpaved & 4WD Gravel/Dirt 0%
24.0 km · 23.0 twisty km · best km 11 · ~103 tight corners
km 0–24 of 24.9
Score 10 · High
Nut Basin Road (FR 441) · near Slate Creek
Unpaved & 4WD Gravel/Dirt 0%
23.0 km · 23.0 twisty km · best km 11 · ~70 tight corners