Circuito de senderismo de 135.49 km desde Llandygai. El desnivel positivo es de 6275 m, con una altitud entre 4 m y 526 m. Duración estimada: 48 h 30 min. Municipio de salida: Llandygai (Cymru / Wales, Royaume-Uni).
Esta ruta incluye 15 subidas significativas. Con un desnivel acumulado de 3195 m a lo largo de 41.20 km, con una pendiente media del 7.8%.
- Climb 1 (at km 10.85 km): +254 m over 5.83 km, average slope 4.4%
- Climb 2 (at km 18.09 km): +223 m over 4.02 km, average slope 5.6%
- Climb 3 (at km 27.04 km): +261 m over 2.35 km, average slope 11.1%
- Climb 4 (at km 36.09 km): +206 m over 2.55 km, average slope 8.1%
- Climb 5 (at km 46.78 km): +148 m over 1.87 km, average slope 7.9%
- Climb 6 (at km 51.26 km): +35 m over 732 m, average slope 4.8%
- Climb 7 (at km 63.60 km): +295 m over 3.49 km, average slope 8.5%
- Climb 8 (at km 67.29 km): +363 m over 2.95 km, average slope 12.3%
- Climb 9 (at km 76.61 km): +39 m over 583 m, average slope 6.7%
- Climb 10 (at km 86.95 km): +455 m over 4.88 km, average slope 9.3%
- Climb 11 (at km 91.05 km): +148 m over 1.86 km, average slope 8.0%
- Climb 12 (at km 93.07 km): +165 m over 1.36 km, average slope 12.1%
- Climb 13 (at km 98.22 km): +92 m over 1.22 km, average slope 7.6%
- Climb 14 (at km 117.08 km): +378 m over 3.56 km, average slope 10.6%
- Climb 15 (at km 124.88 km): +133 m over 3.96 km, average slope 3.4%
