27 twisty stretches · 336 km of twisty road within reach of Cuprum — 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 Cuprum, Idaho — whole roads joined from OpenStreetMap geometry, walked a kilometre at a time and ranked by twisty kilometres. The best sealed one is State Highway 71 (ID 71) · Heath → Wildhorse with 9.2 twisty km. Click a road to see it on the map above, or take the GPX.
27
Stretches within 60 km
337 km
Twisty kilometres
1,090
Tight corners
6 / 20
Sealed / unsealed shown
State Highway 71 (ID 71) · Heath → Wildhorse
Paved twisty Paved 100%
11.3 km · 9.2 twisty km · best km 10 · ~2 tight corners
km 35–46.3 of 46.3
Score 9 · High
Hells Canyon Road · Helena → Cuprum
Paved twisty Paved 100%
8.0 km · 8.0 twisty km · best km 10 · ~8 tight corners
km 4–12 of 15.7
Score 8 · High
Big Salmon Road (CR 1614) · French Creek → Riggins
Paved twisty Paved 100%
11.4 km · 6.4 twisty km · best km 8
km 0–11.4 of 11.4
Score 6 · Moderate
Goose Lake Road · near McCall
Paved twisty Paved 100%
4.1 km · 3.1 twisty km · best km 8 · ~1 tight corners
km 0–4.1 of 5.9
Score 7 · Moderate
Unnamed road · Meadows → McCall
Paved twisty Paved 100%
4.0 km · 3.0 twisty km · best km 8
km 6–10 of 178.1
Score 7 · Moderate
State Highway 71 (ID 71) · near Heath
Paved twisty Paved 100%
5.0 km · 3.0 twisty km · best km 8
km 26–31 of 46.3
Score 7 · Moderate
Big Salmon Road (FS 1614) · near Riggins
Flowing Paved 100%
5.0 km · 1.0 twisty km · best km 8 · ~1 tight corners
km 0–5 of 10.5
Score 6 · Moderate
Berg Mountain Road (FR 263) · Riggins → Lucile
Unpaved & 4WD Gravel/Dirt 0%
44.7 km · 44.7 twisty km · best km 12 · ~131 tight corners
km 0–44.7 of 44.7
Score 10 · High
Beaver Creek Road · Pine Ridge → Stevens
Unpaved & 4WD Gravel/Dirt 0%
23.6 km · 23.6 twisty km · best km 12 · ~47 tight corners
km 0–23.6 of 23.6
Score 9 · High
Wildhorse Road · Wildhorse → Bear
Unpaved & 4WD Gravel/Dirt 0%
22.4 km · 21.4 twisty km · best km 11 · ~30 tight corners
km 0–22.4 of 22.4
Score 9 · High
Lost Valley Road (FR 2060) · near Iron Phone Junction
Unpaved & 4WD Gravel/Dirt 0%
17.1 km · 17.1 twisty km · best km 12 · ~57 tight corners
km 0–17.1 of 17.1
Score 10 · High
Black Lake Road · Helena → Cuprum
Unpaved & 4WD Gravel/Dirt 0%
19.0 km · 17.0 twisty km · best km 11 · ~38 tight corners
km 0–19 of 19.4
Score 9 · High
Brown Creek Road (NF 294)
Unpaved & 4WD Gravel/Dirt 0%
18.0 km · 17.0 twisty km · best km 12 · ~74 tight corners · 3 hairpins
km 0–18 of 18
Score 11 · High
National Forest Development Road 011 · near Mineral
Unpaved & 4WD Gravel/Dirt 0%
17.1 km · 16.2 twisty km · best km 11 · ~39 tight corners
km 1–18.1 of 18.1
Score 10 · High
Bean Creek Road (FR 241) · Iron Phone Junction → Riggins
Unpaved & 4WD Gravel/Dirt 0%
15.0 km · 15.0 twisty km · best km 12 · ~24 tight corners
km 0–15 of 16.3
Score 10 · High
Landore Road (NF 105) · near Cuprum
Unpaved & 4WD Gravel/Dirt 0%
14.6 km · 14.6 twisty km · best km 11 · ~23 tight corners
km 0–14.6 of 14.6
Score 9 · High
Round Valley Road · Rubicon → Devils Ladder
Unpaved & 4WD Gravel/Dirt 0%
16.3 km · 14.2 twisty km · best km 13 · ~44 tight corners · 1 hairpins
km 0–16.3 of 16.3
Score 9 · High
Meadows – Goose Lake Road (NF 273)
Unpaved & 4WD Gravel/Dirt 0%
15.1 km · 14.1 twisty km · best km 11 · ~25 tight corners
km 0–15.1 of 15.1
Score 9 · High
National Forest Development Road 048 · near Council
Unpaved & 4WD Gravel/Dirt 0%
13.0 km · 13.0 twisty km · best km 12 · ~36 tight corners
km 0–13 of 13
Score 11 · High
Forest Road 106 (NF 106) · Helena → Cuprum
Unpaved & 4WD Gravel/Dirt 0%
11.6 km · 11.6 twisty km · best km 12 · ~38 tight corners
km 0–11.6 of 11.6
Score 10 · High
National Forest Development Road 199 · near Council
Unpaved & 4WD Gravel/Dirt 0%
11.2 km · 11.2 twisty km · best km 12 · ~35 tight corners