Eryri (Snowdonia) Mighty Hike
Full Marathon
Fundraising pledge: £250
Half Marathon
Fundraising pledge: £250
About the Eryri (Snowdonia) Mighty Hike
The Eryri (Snowdonia) Mighty Hike is one of our more challenging routes, starting in Bangor before travelling along the beautiful Welsh shoreline and into Eryri National Park. You’ll then head up to the Nant Ffrancon pass where you’ll be surrounded by some of Eryri’s highest and most breathtaking mountains.
Included in your registration fee are:
- Your Macmillan hiking top
- Training and fundraising support from your dedicated Mighty Hike team
- A fresh buffet lunch, pit stops filled with snacks and a hot meal to finish
- Regular pit stops with toilets and medical support
- Expert mountain leaders to keep you on track
- Free professional photos to remember your incredible achievement
- A special medal and glass of bubbly to celebrate crossing the finish!
Hike solo and meet friends along the way or sign up with a team of friends and family for a memorable day together.
Interested in taking part as a large corporate group of 20 or more? Email mightyhikes@macmillan.org.uk for more information.
Take a deeper dive into the Eryri (Snowdonia) route and track the terrain and elevation of every mile, thanks to this 3D route video from the lovely people at Relive!
“2 years ago, I couldn't walk up a flight of stairs. 1 year ago, I was just out of hospital following major surgery. Yesterday I walked a marathon.” Ashley, 2023 Mighty Hiker
Mighty Hikes support
Whether you’re new to long-distance walking or a regular rambler, we’ll be there to support you every step of the way. All you need to do is put one foot in front of the other, knowing every pound you raise will make a Mighty difference to people with cancer.
Frequently asked questions
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What is the route?
The full marathon and half marathon start from the Faenol Estate, Bangor, LL57 4BP.
The half marathon finishes at Blaen y Nant farm, Ogwen Valley. The full marathon finishes at the Village Green in Betws y Coed, LL24 0AY.
View the routes on Google Maps.
View the full marathon GPS route and half marathon GPS route.
Please note that the routes can be subject to change following health and safety inspections. Any key changes will be communicated on the day.
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What time does it start and finish?
Hikers will set off in waves 20 minutes apart, from 6.50am for the full marathon and 8.30am for the half marathon.
You will book your start wave when you register. These are given on a first-come, first-served basis and we advise hikers with a slow pace to book the earliest start wave available to give plenty of time to complete the route.
For the full marathon, we estimate that the fastest walkers will finish in around 7.5 hours while the slowest walkers could take around 12.5 hours.
For the half marathon, we estimate that the fastest walkers will finish in around 4 hours while the slowest walkers could take around 6 hours.
If your plans change, don’t worry, you can amend your start wave using our Manage My Booking page.
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How do I get there?
Parking for the full marathon and half marathon is at the start line in Faenol Estate Car Park, Bangor, LL57 4BP. Please note this is a 10 minute walk from the start site.
Free shuttle buses will run from both finish lines back to the car park in the afternoon.
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When does registration close?
Registration for the full and half marathon closes at midnight on the Friday 17 May, one week before the hike, or earlier if it sells out.
So, sign up today to avoid missing out!
Ready to join?
Volunteering at a Mighty Hike
Don’t fancy hiking?
Become a Mighty Hike volunteer instead!
From helping with registration to handing out medals and bubbly at the finish line, there’s a role for everyone. It’s the perfect opportunity to try something new, meet like-minded people and explore beautiful corners of the UK.
Every hour you give makes a Mighty difference.
See other Mighty Hikes
Don’t fancy this one? No sweat! We’ve got many other beautiful Mighty Hikes in all corners of the UK, hilly and flat, so you can find the perfect challenge for you.