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The best twisty roads around Rowley Chasm

18 twisty stretches · 137 km of twisty road within reach of Rowley Chasm — 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 Rowley Chasm, Washington — whole roads joined from OpenStreetMap geometry, walked a kilometre at a time and ranked by twisty kilometres. The best sealed one is Mount Baker Highway (SR 542) · near Heather Meadows with 9.4 twisty km. Click a road to see it on the map above, or take the GPX.

18
Stretches within 60 km
138 km
Twisty kilometres
510
Tight corners
3 / 11
Sealed / unsealed shown
Mount Baker Highway (SR 542) · near Heather Meadows

Paved twisty
Paved 100%

11.4 km · 9.4 twisty km · best km 11 · ~7 tight corners
km 39.2–50.6 of 50.6

Score 8 · High

Bear Creek Road (CR 1631) · near Winthrop

Paved twisty
Paved 100%

5.0 km · 3.9 twisty km · best km 8 · ~2 tight corners
km 1–6 of 8.9

Score 7 · Moderate

Buttermilk-Libby Road (FR 4300)

Paved twisty
Paved 100%

4.0 km · 3.0 twisty km · best km 9
km 0–4 of 25.9

Score 7 · Moderate

Suiattle River Road (FS 26) · near Mansford

Flowing
Paved 100%

7.0 km · 1.0 twisty km · best km 7 · ~4 tight corners
km 0–7 of 7.6

Score 5 · Moderate

North Cascades Highway (SR 20) · McMillan Park → Rowley Chasm

Flowing
Paved 100%

6.0 km · 0.0 twisty km · best km 6
km 118–124.1 of 268.2

Score 5 · Moderate

North Cascades Highway (SR 20) · Newhalem → Diablo

Flowing
Paved 100%

11.0 km · 0.0 twisty km · best km 6
km 88–99 of 268.2

Score 4 · Moderate

Concrete Sauk Valley Road · near Sauk

Flowing
Paved 100%

7.0 km · 0.0 twisty km · best km 6 · ~7 tight corners
km 14.1–21 of 25.9

Score 5 · Moderate

Illabot Creek Road · Rockport → Corkindale

Unpaved & 4WD
Gravel/Dirt 0%

21.0 km · 19.0 twisty km · best km 12 · ~10 tight corners
km 8–29 of 38.5

Score 9 · High

Harts Pass Road (NF 5400) · Barron → Mazama

Unpaved & 4WD
Gravel/Dirt 0%

17.2 km · 14.3 twisty km · best km 11 · ~52 tight corners
km 2.1–19.3 of 19.3

Score 9 · High

Forest Road 5010-500 (NF 500) · near Whistler Basin

Unpaved & 4WD
Gravel/Dirt 0%
4WD track — check access

13.4 km · 13.4 twisty km · best km 12 · ~78 tight corners
km 0–13.4 of 13.4

Score 10 · High

Forest Road 5010-100

Unpaved & 4WD
Gravel/Dirt 0%
4WD track — check access

14.8 km · 12.9 twisty km · best km 11 · ~42 tight corners
km 0–14.8 of 14.8

Score 9 · High

Sauk Mountain Road (FS 1030) · Rockport → Sauk

Unpaved & 4WD
Gravel/Dirt 0%

12.3 km · 12.3 twisty km · best km 11 · ~14 tight corners
km 0–12.3 of 12.3

Score 10 · High

National Forest Development Road 1107 (FS 1107)

Unpaved & 4WD
Gravel/Dirt 0%

12.0 km · 12.0 twisty km · best km 11 · ~22 tight corners
km 0–12 of 13.1

Score 10 · High

Forest Road 5400-700 (NF 700) · Barron → Cedar Crossing

Unpaved & 4WD
Gravel/Dirt 0%
4WD track — check access

13.8 km · 8.8 twisty km · best km 11 · ~57 tight corners · 1 hairpins
km 1–14.8 of 14.8

Score 9 · High

Thornton Lakes Road · near Newhalem

Unpaved & 4WD
Gravel/Dirt 0%

8.1 km · 8.1 twisty km · best km 12 · ~58 tight corners
km 0–8.1 of 8.1

Score 10 · High

Forest Road 5140-100 (NF 100) · near Vanderpool Crossing

Unpaved & 4WD
Gravel/Dirt 0%
4WD track — check access

7.1 km · 7.1 twisty km · best km 11 · ~24 tight corners
km 0–7.1 of 7.1

Score 10 · High

Forest Road 5227-100 (NF 100) · near Mazama

Unpaved & 4WD
Gravel/Dirt 0%
4WD track — check access

6.6 km · 6.6 twisty km · best km 12 · ~55 tight corners
km 0–6.6 of 6.6

Score 11 · High

National Forest Development Road 1050 (NFD 1050) · near Portage

Unpaved & 4WD
Gravel/Dirt 0%

6.0 km · 6.0 twisty km · best km 13 · ~78 tight corners · 2 hairpins
km 0–6 of 7

Score 11 · High

Twisty roads near here

McMillan Park 5 km
Cedar Crossing 10 km
Diablo 18 km
Mazama 29 km
Newhalem 30 km
Portage 41 km
Corkindale 47 km
Winthrop 59 km
Sauk 61 km
Heather Meadows 62 km

All twisty roads in Washington · 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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