7 upcoming events in Snowdonia
July 2026
Sesiwn Fawr Dolgellau
A lively bilingual world music festival held in the town of Dolgellau, returning for its 33rd time with an opening gig at St Mary's Church.
International Snowdon Race / Ras Rhyngwladol yr Wyddfa
The 49th edition of this iconic ten-mile mountain race from Llanberis to the summit of Snowdon and back, one of Europe's toughest endurance challenges.
Snowdon International Race (Ras Yr Wyddfa)
The iconic fell race up and down Snowdon via the Llanberis Path, attracting elite runners from around the world to tackle Wales' highest peak.
August 2026
Snowdon at Night 2026
An overnight charity challenge climbing Snowdon via the Llanberis Path by head torch to witness dawn across the peaks of Snowdonia.
SkyRun Eryri
Wales's premier Skyrunning event at Rhyd-Ddu with race distances of 16, 27, 38 and 55km across the high peaks of Eryri.
Gwyl Llanuwchllyn 2026
A scenic lakeside festival near Bala with a lively mix of Welsh-language folk songs, live music and community activities.
October 2026
Snowdonia Marathon Eryri / Marathon Eryri
One of the UK's most iconic and challenging road marathons, following a 26.2-mile route that circles Snowdon, the highest mountain in Wales.