29 twisty stretches · 427 km of twisty road within reach of Osborne — 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 Osborne, California — whole roads joined from OpenStreetMap geometry, walked a kilometre at a time and ranked by twisty kilometres. The best sealed one is Summit Lake Road · near Big Bend with 17.0 twisty km. Click a road to see it on the map above, or take the GPX.
29
Stretches within 60 km
428 km
Twisty kilometres
570
Tight corners
7 / 16
Sealed / unsealed shown
Summit Lake Road · near Big Bend
Paved twisty Paved 100%
19.0 km · 17.0 twisty km · best km 11 · ~2 tight corners
km 16–35 of 35
Score 9 · High
Trinity Mountain Road (CR 5E09) · Fairview → French Gulch
Paved twisty Paved 100%
10.0 km · 10.0 twisty km · best km 11 · ~21 tight corners
km 0–10 of 10
Score 10 · High
Hawkins Creek Road (FS 38N11) · near Wyntoon
Paved twisty Paved 100%
10.7 km · 9.7 twisty km · best km 10 · ~2 tight corners
km 1–11.7 of 11.7
Score 9 · High
Lassen Peak Highway · Manzanita Lake → Morgan Springs
Paved twisty Paved 100%
11.4 km · 9.4 twisty km · best km 10 · ~1 tight corners
km 31–42.4 of 42.4
Score 8 · High
Pit 5 Road · near Big Bend
Paved twisty Paved 95%
6.6 km · 6.6 twisty km · best km 11 · ~3 tight corners
km 0–6.6 of 6.6
Score 10 · High
East Side Road (CR 106)
Paved twisty Paved 100%
7.1 km · 5.1 twisty km · best km 10
km 34–41.1 of 41.1
Score 8 · High
Wilson Hill Road · Shingletown → Manton
Paved twisty Paved 100%
4.0 km · 4.0 twisty km · best km 10
km 3–7.1 of 11.8
Score 9 · High
Lassen Peak Highway · Manzanita Lake → Morgan Springs
Flowing Paved 100%
26.4 km · 11.4 twisty km · best km 10 · ~1 tight corners
km 16–42.4 of 42.4
Score 7 · Moderate
Wilson Hill Road · Shingletown → Manton
Flowing Paved 100%
11.8 km · 5.6 twisty km · best km 10 · ~2 tight corners
km 0–11.8 of 11.8
Score 7 · Moderate
Oak Run Road · near Osborne
Flowing Paved 100%
8.0 km · 2.0 twisty km · best km 8
km 0–8 of 29.5
Score 6 · Moderate
Eureka Way (CA 299) · French Gulch → Lewiston
Flowing Paved 100%
9.0 km · 2.0 twisty km · best km 8
km 30–39 of 59.1
Score 6 · Moderate
Placer Road (CR A16) · Centerville → Igo
Flowing Paved 100%
5.0 km · 1.0 twisty km · best km 8 · ~2 tight corners
km 14–19 of 61.8
Score 6 · Moderate
Lassen Peak Highway · Summertown → Manzanita Lake
Flowing Paved 100%
6.0 km · 0.0 twisty km · best km 6
km 6–12 of 42.4
Score 5 · Moderate
Fenders Ferry Road · Delta → Point McCloud
Unpaved & 4WD Gravel/Dirt 0%
37.3 km · 37.3 twisty km · best km 13 · ~34 tight corners
km 0–37.3 of 37.3
Score 12 · Extreme
Fenders Ferry Road · near Wengler
Unpaved & 4WD Gravel/Dirt 0%
34.0 km · 33.0 twisty km · best km 12 · ~21 tight corners