Cycling in Porth Ychain
1 cycling route from Porth Ychain, Gwynedd, United Kingdom, 30 km, 30 km mapped in all, with up to 304 m of climbing in a day. Hilly riding (10 m of climbing per km on average), mostly road routes. Best months to ride: Jun to Sep.
At a glance
- Routes
- 1
- Lengths
- 30 km
- Biggest day
- 304 m
- Terrain
- Hilly
- Surface
- Mostly paved
- Bike
- Road bike
- Difficulty
- Easy
- Best months
- Jun to Sep
- GPX
- Every route
Know before you go
Added up from the recorded routes and OpenStreetMap; nothing estimated.
- Surface
- Paved almost throughout.
- Roads
- 6% of the riding on main roads without a cycle lane.
Cycling guide to Porth Ychain
Porth Ychain in Gwynedd is the start of a 30.2 km loop route known as Regional Cycle Route 43. The trip passes through places including Sarn Mellteyrn, Blawdty, Aberdaron, Trefgraig, and Pen-y-graig before returning to Porth Ychain. The route climbs a total of 304 m, with the biggest climb beginning at 8.9 km and lasting 3.3 km, gaining 147 m at an average gradient of 4.5%, reaching 183 m height. This route is mostly paved, with 98% of the surface paved and only 2% gravel or unpaved. Aside from 1.9 km on main roads without cycle lanes, the route does not include cycle paths and has no railway stations nearby. There are no recorded serviced stops within 10.1 km on the route.
More on terrain
Terrain
The terrain is rolling with a significant climb of 3.3 km starting 8.9 km into the route, averaging 4.5% gradient with a maximum of 6.4%, peaking at 183 m. The overall elevation gain is 304 m on a mostly paved surface.

