Lôn Las Cymru
Lôn Las Cymru
August 16 - 19th 2025
Holyhead, Isle of Anglesey to Cardiff, Wales
260 Miles
18,017 feet of elevation change
4 Days
Meet MS groups en route
About Lôn Las Cymru
The spectacular route runs the length of Wales, passing through the heart of the country.
Starting at the tip of Wales at Holyhead, the 260 mile Lôn Las Cymru route traverses the country’s most mountainous countryside, from Snowdonia to the Brecon Beacons. The scenery is among the finest of any cycling route, crossing valleys, hilltops and estuaries and finishing in Wales’ coastal corner of Cardiff Bay.
From exhilarating climbs to traffic free paths, this route includes some of the most stunning and diverse landscapes in the British Isles.
Wales is a small country with a truly amazing diversity of landscapes. Lôn Las Cymru is suitable for those who are looking for a challenge and also enjoy some hilly climbs! The perfect opportunity to appreciate the beauty and variety that Wales has to offer.
Ready. Set. Pedal.
Are you ready for the best adventure of your life? Here’s a couple of pointers of what to expect.
Fundraising
With an achievable £2 per mile, £520 fundraising target and only a £25 initial sign up donation, there’s no more cost effective way to travel the country.
Accommodation
A mix of camping, staying at churches, town halls and community centres. Options to book alternatives if preferred.
Support
We provide you the platform to help you reach your goal of riding the length of Wales. This is a supported bike tour where roughing it is embraced.
Preparation
We’ll plan the trip so you can focus on training, preparing your gear and planning your journey to and from the event.
Gearing up to pedal through Isle of Anglesey Gwynedd Powys Merthyr Tydfil Cardiff in:
We are pedalling south for Cardiff! Follow along on Instagram.
Explore the Lôn Las Cymru Route
Where will the route take you?
2025 Lôn Las Cymru Overnights
Keen to discover where you’ll be stopping off on route and what your daily mileage will be? Here’s the full route for you to digest. Naturally, these are subject to change, but it’s a good starting point!
Date
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August 15
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16
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17
-
18
-
19
Destination
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Holyhead
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Porthmadog
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Llanidloes
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Brecon
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Cardiff
Mileage
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-
67
-
70
-
64
-
55