Eryri (Snowdonia) · Wales
Bwlch y Groes
Bwlch y Groes, the Pass of the Cross, is among the highest public roads in Wales. A single-track lane climbs steeply out of the Dyfi valley to a remote summit before dropping towards Bala Lake.
- Distance
- ≈ 11 miles
- Twistiness
- 4/5
- Best season
- May – September
- Best for
- Best on a bike
Why go
What makes Bwlch y Groes special
- One of the highest roads in Wales
- Steep climb out of Cwm Cywarch area
- Wild descent towards Llyn Tegid
Watch out for
- Single track with sheer drops
- Very steep gradients
- No services and poor signal
Road conditions change. Check closures, weather and local restrictions before you set off, and always ride and drive within the limit.
As a group
Taking a group over Bwlch y Groes
Bwlch y Groes is narrow or very steep in places. Split larger groups into fours or fives with a few minutes between each, and agree to regroup at Dinas Mawddwy rather than on the road.
One shared route
Everyone on the same line from the start.
Lead and sweep
Sweep sees exactly who's behind.
Planned regroups
Stop at Dinas Mawddwy.
FAQ
Bwlch y Groes: common questions
How long is Bwlch y Groes?+
Bwlch y Groes runs for about 11 miles from Dinas Mawddwy to Llanuwchllyn in Eryri (Snowdonia).
When is the best time to drive or ride Bwlch y Groes?+
The best season is May – September. Go early in the day to avoid traffic, and check for closures in poor weather.
Is Bwlch y Groes good for motorcycles?+
Yes — Bwlch y Groes is a popular motorcycle road with a twistiness rating of 4 out of 5. Single track with sheer drops.
Can I ride Bwlch y Groes as a group?+
Bwlch y Groes is narrow or very steep in places. Split larger groups into fours or fives with a few minutes between each, and agree to regroup at Dinas Mawddwy rather than on the road.
Keep riding
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