40 twisty stretches · 399 km of twisty road within reach of Flatiron — 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 Flatiron, Colorado — whole roads joined from OpenStreetMap geometry, walked a kilometre at a time and ranked by twisty kilometres. The best sealed one is Unnamed road · Black Mesa → Knott Ranch with 8.9 twisty km. Click a road to see it on the map above, or take the GPX.
40
Stretches within 60 km
400 km
Twisty kilometres
1,087
Tight corners
6 / 22
Sealed / unsealed shown
Unnamed road · Black Mesa → Knott Ranch
Paved twisty Paved 100%
13.9 km · 8.9 twisty km · best km 9
km 82.1–96 of 111.8
Score 7 · Moderate
South Rim Road · High Point → Vernal Mesa
Paved twisty Paved 93%
10.1 km · 8.0 twisty km · best km 9 · ~1 tight corners
km 0–10.1 of 11
Score 8 · High
Million Dollar Highway · near Ouray
Paved twisty Paved 100%
9.0 km · 7.0 twisty km · best km 11 · ~1 tight corners
km 61–70 of 97
Score 8 · High
East Portal Road · East Portal → Vernal Mesa
Paved twisty Paved 100%
7.1 km · 6.1 twisty km · best km 12 · ~41 tight corners
km 2–9.1 of 11
Score 10 · High
Unnamed road · near Sapinero
Paved twisty Paved 100%
9.4 km · 5.3 twisty km · best km 9
km 102.3–111.8 of 111.8
Score 7 · Moderate
County Road 1 (CR 1) · near Ridgway
Paved twisty Paved 100%
3.0 km · 3.0 twisty km · best km 10 · ~5 tight corners
km 0–3 of 22
Score 9 · High
Unnamed road · Flatiron → Sapinero
Flowing Paved 100%
43.3 km · 16.8 twisty km · best km 9
km 68.4–111.8 of 111.8
Score 6 · Moderate
Gunnison Avenue / Silver Thread Scenic Byway (CO 149) · near Lake City
Flowing Paved 100%
7.0 km · 1.0 twisty km · best km 8 · ~1 tight corners
km 71–78.1 of 188
Score 5 · Moderate
Engineer Pass Road (CR 20) · Lake City → American Flats
Unpaved & 4WD Gravel/Dirt 0%
28.1 km · 25.1 twisty km · best km 11 · ~24 tight corners
km 1–29.2 of 29.2
Score 8 · High
Owl Creek-Cimarron Road (CR 8) · near Ridgway
Unpaved & 4WD Gravel/Dirt 0%
28.4 km · 24.3 twisty km · best km 11 · ~136 tight corners
km 1–29.4 of 29.4
Score 9 · High
Crystal Creek Road (FR 713) · Big Soap Park → Black Mesa
Unpaved & 4WD Gravel/Dirt 0%
17.0 km · 16.0 twisty km · best km 12 · ~53 tight corners