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The best twisty roads around Knoxville

38 twisty stretches · 432 km of twisty road within reach of Knoxville — 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 Knoxville, California — whole roads joined from OpenStreetMap geometry, walked a kilometre at a time and ranked by twisty kilometres. The best sealed one is Hopland Road / Hopland Grade (CA 175) · Lakeport → Oasis with 16.1 twisty km. Click a road to see it on the map above, or take the GPX.

38
Stretches within 60 km
432 km
Twisty kilometres
540
Tight corners
14 / 7
Sealed / unsealed shown
Hopland Road / Hopland Grade (CA 175) · Lakeport → Oasis

Paved twisty
Paved 100%

17.0 km · 16.1 twisty km · best km 12 · ~4 tight corners
km 3–20 of 26.5

Score 10 · High

Sage Canyon Road (CA 128) · Saint Helena → Spanish Flat

Paved twisty
Paved 100%

17.0 km · 12.0 twisty km · best km 9 · ~2 tight corners
km 4–21 of 62.8

Score 7 · Moderate

Monticello Road (CA 121) · Atlas → Napa

Paved twisty
Paved 100%

19.0 km · 12.0 twisty km · best km 11 · ~2 tight corners · 1 hairpins
km 1–20 of 20

Score 8 · High

Highway 128 (CA 128) · Ingram → Cloverdale

Paved twisty
Paved 100%

13.0 km · 11.0 twisty km · best km 11
km 73–86 of 90.4

Score 8 · High

Lake County Highway · near Calistoga

Paved twisty
Paved 100%

12.9 km · 10.9 twisty km · best km 11
km 18.1–31 of 74.8

Score 9 · High

Pine Mountain Road · near Cloverdale

Paved twisty
Paved 100%

9.4 km · 9.4 twisty km · best km 12 · ~21 tight corners
km 0–9.4 of 9.4

Score 11 · High

Fouts Springs Road (CR 43A) · Fouts Springs → Stonyford

Paved twisty
Paved 100%

8.0 km · 8.0 twisty km · best km 12 · ~21 tight corners
km 0–8 of 9.3

Score 11 · High

Trinity Road · near Glen Ellen

Paved twisty
Paved 100%

7.0 km · 7.0 twisty km · best km 11 · ~10 tight corners
km 0–7 of 7.5

Score 10 · High

Sonoma Mountain Road · Glen Ellen → Rohnert Park

Paved twisty
Paved 100%

7.0 km · 6.0 twisty km · best km 9 · ~2 tight corners
km 0–7 of 12.2

Score 8 · High

Hot Springs Road · near Cloverdale

Paved twisty
Paved 93%

5.4 km · 5.4 twisty km · best km 13 · ~24 tight corners
km 1–6.4 of 6.4

Score 11 · High

Sulphur Bank Road · Clearlake Oaks → Clearlake

Paved twisty
Paved 100%

4.9 km · 4.9 twisty km · best km 11 · ~2 tight corners
km 2.1–7 of 9

Score 10 · High

Lakeshore Drive · Clearlake Oaks → Clearlake

Paved twisty
Paved 100%

5.3 km · 4.3 twisty km · best km 11 · ~4 tight corners
km 0–5.3 of 5.3

Score 10 · High

North Drive · Clearlake Oaks → Clearlake

Paved twisty
Paved 100%

3.9 km · 3.9 twisty km · best km 11 · ~1 tight corners
km 0–3.9 of 3.9

Score 11 · High

Los Alamos Road · near Santa Rosa

Paved twisty
Paved 100%

3.5 km · 3.5 twisty km · best km 10
km 1.1–4.6 of 4.6

Score 10 · High

Soda Bay Road · Lakeport → Riviera Estates

Flowing
Paved 100%

16.8 km · 7.9 twisty km · best km 8 · ~3 tight corners
km 5–21.8 of 21.8

Score 6 · Moderate

CA 175 · Mount Hannah Lodge → Cobb

Flowing
Paved 100%

16.0 km · 6.0 twisty km · best km 10 · ~2 tight corners
km 9–25.1 of 31.7

Score 7 · Moderate

Calistoga Road · Calistoga → Santa Rosa

Flowing
Paved 100%

9.1 km · 4.1 twisty km · best km 9 · ~1 tight corners
km 0–9.1 of 11.4

Score 6 · Moderate

Morgan Valley Road · Knoxville → Clearlake

Flowing
Paved 100%

12.9 km · 3.1 twisty km · best km 7
km 3.1–16 of 22.2

Score 5 · Moderate

Kelsey Creek Drive · Kelseyville → Highland Springs

Flowing
Paved 100%

6.3 km · 3.0 twisty km · best km 7 · ~1 tight corners
km 0–6.3 of 6.3

Score 6 · Moderate

Westside Road · Windsor → Forestville

Flowing
Paved 100%

13.8 km · 3.0 twisty km · best km 8 · ~1 tight corners
km 6–19.8 of 19.8

Score 6 · Moderate

Bottle Rock Road · Cobb → Glenview

Flowing
Paved 100%

6.0 km · 2.0 twisty km · best km 9
km 6–12.1 of 17.4

Score 6 · Moderate

Sites Lodoga Road · near Devils Elbow

Flowing
Paved 100%

5.0 km · 2.0 twisty km · best km 7
km 11–16 of 22.4

Score 6 · Moderate

Fountaingrove Parkway · near Santa Rosa

Flowing
Paved 100%

11.5 km · 1.5 twisty km · best km 7 · ~2 tight corners · 1 hairpins
km 0–11.5 of 11.5

Score 5 · Moderate

Fouts Springs-Hough Springs Road (NF M5) · Fouts Springs → Hough Springs

Unpaved & 4WD
Gravel/Dirt 0%

38.8 km · 38.8 twisty km · best km 13 · ~95 tight corners
km 0–38.8 of 38.8

Score 10 · High

Geysers Road · Cloverdale → Jimtown

Unpaved & 4WD
Mixed 12%

41.6 km · 38.6 twisty km · best km 11 · ~20 tight corners
km 5–46.6 of 46.6

Score 9 · High

Fouts-Bear Creek Road (NF M10) · Fouts Springs → Three Crossing

Unpaved & 4WD
Mixed 19%

33.6 km · 32.6 twisty km · best km 12 · ~53 tight corners
km 1–34.6 of 34.6

Score 10 · High

Pilot Grove Road (FR 16N01) · Lucerne → Three Crossing

Unpaved & 4WD
Gravel/Dirt 0%

30.6 km · 30.6 twisty km · best km 13 · ~123 tight corners
km 0–30.6 of 30.6

Score 11 · High

Bartlett Springs Road · Hough Springs → Nice

Unpaved & 4WD
Gravel/Dirt 0%

30.6 km · 26.6 twisty km · best km 12 · ~62 tight corners
km 13–43.6 of 43.6

Score 10 · High

Scotts Creek Road · Talmage → Lakeport

Unpaved & 4WD
Gravel/Dirt 0%

22.3 km · 22.3 twisty km · best km 12 · ~70 tight corners
km 0–22.3 of 22.3

Score 11 · High

Walker Ridge Road · Leesville → Hamilton Flat

Unpaved & 4WD
Gravel/Dirt 0%

23.4 km · 21.4 twisty km · best km 11 · ~14 tight corners
km 0–23.4 of 23.4

Score 9 · High

Twisty roads near here

Hamilton Flat 16 km
Clearlake 22 km
Jimtown 40 km
Saint Helena 44 km
Santa Rosa 49 km
Cloverdale 52 km
Atlas 52 km
Glen Ellen 55 km
Fouts Springs 57 km
Robbins 58 km

All twisty roads in California · Road geometry © OpenStreetMap contributors (ODbL), scored by NavForge’s map pipeline. “4WD track — check access” means OpenStreetMap does not say whether the track is gated. Get NavForge Premium to route through these roads automatically — fully offline.

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