Bwlch y Groes from Llanuwchllyn

Route overview

Suitable for riders prepared for steady climbing over 9.3 km with elevation gain of 371 m.

A 9.3 km climb from Llanuwchllyn to 539 m at Bwlch y Groes in the United Kingdom.

The route starts in Llanuwchllyn at 168 m, quickly reaching a first climb beginning at 0.6 km lasting 2.9 km with an average gradient of 3.6%, gaining 104 m up to 278 m. Following a short flat section, the main climb starts at 4.7 km, extending 4.6 km with an average gradient of 5.7%, peaking at 539 m at 9.3 km. The steepest sections reach up to 9.6%, with a maximum of 12% over 500 m at the start. Nearly all the route is on paved roads, predominantly minor roads covering 87% of the distance, and 10% on main roads. However, 7.2 km of the ride is on roads with speed limits of 80 km/h or greater. There are no gravel sections. Facilities are limited with a café at 1.1 km slightly off-route, and toilets near the start at 0.3 km. After 1.1 km there are no shops, cafés, or water for 8.2 km. The ride passes beneath peaks including Garth Fach at 2 km, Moel Maes-y-llech at 4.6 km, and Foel Y Groes near the finish at 9.2 km. The petrol station, station, and pub lie close to the start in Llanuwchllyn, which also serves as a bailout point.

Highlights

• Bwlch y Groes summit at 539 m
• Foel Y Groes peak near finish
• Initial climb 2.9 km at 3.6%
• Main climb 4.6 km at 5.7%

Practical information

Surface

Paved

Route shape

Point to point

Riding time

40 min

Best months

Jun to Sep — daily highs of 16–18 °C in those months

Know before you go

• Longest stretch with no café, shop or water for 8.2 km after 1.1 km
• 7.2 km on roads with 80 km/h or higher speed limit
• 0.9 km on main roads without cycle lanes
• Steepest 500 m section at 12% gradient at start

Routes are for inspiration. Roads, surfaces and conditions change — check locally and ride within your limits.