Logo

Snowdonia Mountain Skills Weekend

Caernarfon, United Kingdom • 12 Sep 2025

The Snowdonia Mountain Skills Weekend 2025 is a trail running event held in the Nantlle Valley within Snowdonia National Park, UK. Hosted by Running Adventures, the weekend focuses on advanced trail runners aiming to enhance their mountain running skills and safety knowledge. Participants experience rugged terrain, steep climbs, scrambling, and navigation challenges across distances ranging from 5 to 10 miles with significant elevation gains. The itinerary includes summit runs of Cnicht and Snowdon via demanding routes like the Cambrian Way Ridge and Watkin Path. The event combines practical mountain skills training with stunning scenery, making it ideal for those preparing for mountain races or seeking a challenging, educational mountain running experience. Visit the organization's website for the most recent information.

United Kingdom Wales Caernarfon

Race information

Website Registration
10 mi
4000 m+
10 Mile Adventure Along the Nantlle Ridgeline
8 mi
3414 m+
8 Mile up to the Snowdon Summit via Cambrian Way Ridge and Watkin Path
5 mi
1936 m+
5 Mile Round Trip up to the Summit of Cnicht
Visit the organization's website for the most recent information.
Trail runs nearby

Anglesey Trail Half Marathon

Llanfairpwllgwyngyll - 6 mi from Caernarfon

Run through Newborough Forest and across Llanddwyn Island on scenic single track trails with views of the Llyn Peninsula and Snowdonia. Choose the 10K or half marathon and enjoy an event village while supporting Alder Hey Children's Charity..

Slate Trail Ultra

Bangor - 8 mi from Caernarfon

Tackle Snowdonia's rugged Slate Trail with APEX Running in Bangor on 15 and 16 November 2025. Choose a challenging 147 km ultra or a tough 80 km option, both with scenic quarry terrain and full race support.

UTMB Index

Guided Trail Run - Dolwyddelan

Dolwyddelan - 17 mi from Caernarfon

The Guided Trail Run in Dolwyddelan offers participants a scenic 10km route beginning in the charming village. The run features a leisurely start along the river, followed by a climb to Ty Mawr, where runners can enjoy stunning views of the..

Tour De Yr Wyddfa

Llanberis - 6 mi from Caernarfon

Take on the epic Tour De Yr Wyddfa with 43.5 km and 2327 m ascent around the mountain on 24 January 2026, or opt for a shorter Llanberis to Pen y Pas half, relay or pair entry. Organized by Eryri Harriers for experienced mountain runners.

Beast Of The Blacks

Llanbedr - 23 mi from Caernarfon

Take on the Beast of the Blacks in the stunning Black Mountains of Wales with 11, 20 or 40 mile trail options, fully marked and well supported. Canicross friendly and rich with aid stations and great views for all abilities.

Paddy Buckley Recce Fun Run - Glyderau

Capel Curig - 15 mi from Caernarfon

Join a guided recce of the Glyders between Llanberis and the Ogwen Valley, covering 15 km with 1,830 m of ascent in Snowdonia. Small groups led by qualified, experienced runners set out from Capel Curig for a rewarding mountain day.