Wales · United Kingdom
Bala to Trawsfynydd
A4212Llanfor to Trawsfynydd
A sweeping Snowdonia road past Llyn Celyn.
The A4212 runs west from Bala past the Llyn Celyn reservoir towards Trawsfynydd, a flowing, modern-feeling Snowdonia road of long sweepers and big views over the water and moor. Watch for sheep, sudden weather, and fast oncoming traffic.
Where it runs17.4 mi · point to point
LlanforStart · Wales
TrawsfynyddEnd · Wales
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Character
Corners22bends
Tightness4of 10
Max gradient7%≈ 1-in-14
Climb324 mtotal ascent
Summit402.4 mhighest point of the line · 1,320 ft
Corners
busiest around mile 7Elevation
under 4%4–8%over 8%167.1 – 402.4 mPoints of interest2 stops
- Hafod Fadog MemorialLandmark4.6 mi in
- Frongoch Internment Camp memorialLandmark2.6 mi in
Hazards
- Sheep on the road
- Sudden weather over the moor
- Fast oncoming traffic
Sources
“Exceptional piece of road if you like big sweepers.”
Verified route: mapped from real road geometry and fact-checked by a human editor. How roads get checked
Driving the Bala to Trawsfynydd: quick answers
How long does it take to drive the Bala to Trawsfynydd?
Bala to Trawsfynydd runs 17.4 miles (28 km) and takes about 33 min to drive without stops.
How difficult is the Bala to Trawsfynydd to drive?
We rate it moderate: 22 corners, a maximum gradient of 7%, and a tightness of 4 out of 10.
When is the best time to drive the Bala to Trawsfynydd?
Spring and Summer and Autumn are best.
Nearby roads
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Bala to Trawsfynydd
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