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Best trails in Gwynedd

1118 Reviews
Trying to find the best Gwynedd trails? AllTrails has 129 great hiking trails, trail running trails, mountain biking trails and more, with hand-curated trail maps and driving directions as well as detailed reviews and photos from hikers, campers, and nature lovers like you. If you're looking for the best trails around Caernarfon, Dolgellau or Llanberis, we've got you covered. Gearing up for a challenge? There are 53 hard trails in Gwynedd ranging from 2 to 38.5 miles and from 9 to 3,484 feet above sea level. Start checking them out and you'll be out on the trail in no time!
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Map of trails in Gwynedd
Top trails (129)
#1 - Snowdon via Miner's Track and Pyg Track
Snowdonia National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(188)
Length: 7.6 mi • Est. 4 h 48 m
Circular route from Car park Pen-y-Pass taking the Pyg Track to the top of Snowdon and returning via the Miners Track back to Pen-y-Pass. Take the Pyg Path up and Miner trail back for an easier go. PaShow more
#2 - Snowdon via Llanberis Path
Snowdonia National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(144)
Length: 9.1 mi • Est. 5 h 51 m
Snowdon via Llanberis Path is a 9.1 mile out and back trail located near Llanberis, Gwynedd, Wales that offers scenic views and is rated as difficult. The trail is primarily used for hiking and walkinShow more
#3 - Mount Snowdon Via Miner's Track
Snowdonia National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(40)
Length: 7.9 mi • Est. 4 h 58 m
The Miners’ Track to Llyn Glaslyn was built during the last century to serve the Britannia Copper Mines. Abandoned in 1917. The track to the lake is still almost a road, and though eroded in some plaShow more
#4 - Llyn Idwal Trail
Snowdonia National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(65)
Length: 2.9 mi • Est. 1 h 44 m
Also known as the Cwm Idwal Walk.Show more
#5 - Snowdon Horseshoe Circular Walk
Snowdonia National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(22)
Length: 7.4 mi • Est. 5 h 18 m
Excellent challenging route where a head for heights is a must. Can be very exposed in places with only a knife edge ridge to walk along. Very difficult in bad weather (rain high winds, ice etc) and nShow more
#6 - Snowdon via Pyg Track
Snowdonia National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(112)
Length: 6.3 mi • Est. 4 h 5 m
Views will range from nothing to breathtaking depending on weather. And the earlier, the better - avoid the crowds especially at Penypass Car Park (gets full quickly) and the summit (will have to queuShow more
#7 - Snowdon via Miner's Track and Crib Goch
Snowdonia National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(36)
Length: 7.8 mi • Est. 5 h 12 m
Views are amazing, but the climbing scramble up and along the ridge are not for the faint. Wouldn’t try the ridge section on a gusty or rainy day unless you’re an experienced climber.Show more
#8 - Snowdon and Llanberis Track
Snowdonia National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(25)
Length: 7.8 mi • Est. 4 h 45 m
A nice challenging walk with great views on a clear day. Note: many users say this trail gets difficult 3/4 of the way up especially with heavy wind. People also tend to walk down the train track (topShow more
#9 - Snowdon via Watkin Path
Snowdonia National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(42)
Length: 7.9 mi • Est. 5 h 46 m
This is an incredible trail up to Snowdon via Watkin Path. The route is relatively easy, and the scree is nothing to be concerned about. Do take the 25 minutes to head up Yr Aran from the saddle as thShow more
#10 - Snowdon Horseshoe Walk
Snowdonia National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(5)
Length: 7.3 mi • Est. 4 h 56 m
Snowdon is one of the most popular walks in the UK. With incredible views, challenge, and intricate routes, it is truly awe-inspiring. There are many different ways to get to the summit, but this routShow more
Showing results 1 - 10 of 129