4.1
(100)
1,047
riders
32
rides
Mountain biking around Llyn Cwellyn offers a diverse landscape for riders of all abilities. The region is characterized by the expansive lake itself, surrounded by the foothills of Snowdonia, providing a mix of challenging ascents and scenic valley trails. Riders can expect varied terrain, from forest paths to open mountain tracks, with significant elevation changes in some areas. The area's natural features, including its prominent lake and surrounding hills, define the mountain biking experience.
Last updated: June 24, 2026
5.0
(2)
9
riders
13.0km
02:03
890m
890m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.6
(5)
54
riders
16.5km
01:36
280m
280m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Sign up for free
4.5
(6)
35
riders
19.5km
01:46
500m
500m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
1.0
(1)
13
riders
35.3km
03:15
1,060m
1,060m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.0
(1)
4
riders
12.5km
01:07
200m
200m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Through the forest run many paths, wide gravel paths but also narrow paths between the trees.
8
0
Slightly above Llyn Llewelyn you have a nice view of Snowdon and the surrounding peaks. Enjoy this beautiful view.
8
0
Llyn Llywelyn is a small shallow mountain lake surrounded by open moorland and forests. It is a natural spot to pause, picnic and soak up the serene atmosphere before continuing your walk.
8
0
The path along the lake is very nice. Part of it is actually a kind of dam you walk on, with a barrier on both sides so you have to stay on the path. Because the dam is elevated, you have a good view of the lake and the surroundings.
9
0
Stop, look out and listen are the recommendations (to be read on the sign) that you must follow when crossing the track here. It is an unguarded crossing on this railway for tourist trains.
9
0
There are over 35 mountain bike trails in the Llyn Cwellyn area, offering a diverse range of experiences for riders of all abilities.
Yes, Llyn Cwellyn offers 8 easy mountain bike trails. A great option for a relaxed ride is the Llyn Llywelyn – Beddgelert Forest Trail loop from Rhyd-ddu, which is 12.5 km long and takes about 1 hour 7 minutes to complete. This route is relatively flat and passes through scenic forest paths.
For experienced riders, there are 12 difficult mountain bike trails around Llyn Cwellyn. The View of Llyn Llydaw – Llanberis Path loop from Rhyd-ddu is a challenging 35.3 km route with significant elevation gain, typically taking around 3 hours 14 minutes to complete.
Many trails in the Llyn Cwellyn area offer stunning views, particularly those that ascend into the foothills of Snowdonia. The View of Llyn Llydaw – Llanberis Path loop from Rhyd-ddu provides expansive vistas of the surrounding landscape and lakes.
Yes, most of the mountain bike trails in the Llyn Cwellyn area are designed as circular routes, allowing you to start and finish at the same point. For example, the Ty'n Yr Aelgerth Cottage – Telegraph Valley (Maesgwm) loop from Betws Garmon is an 18.5 km circular trail.
Trail durations vary significantly based on difficulty and distance. Easy routes like the Llyn Llywelyn – Beddgelert Forest Trail loop from Rhyd-ddu can be completed in just over an hour, while more challenging routes can take upwards of three hours or more.
Parking is generally available at common starting points for trails around Llyn Cwellyn, often near villages like Rhyd-ddu or Snowdon Ranger. It's advisable to check specific route descriptions for detailed parking information, as some car parks may have fees or limited spaces.
The mountain bike trails around Llyn Cwellyn are highly rated by the komoot community, with an average score of 4.2 stars from nearly 100 reviews. Riders often praise the diverse terrain, from scenic lakeside paths to challenging mountain ascents, and the stunning views of the lake and Snowdonia foothills.
While some lower-lying trails may be accessible, winter riding in Llyn Cwellyn, particularly on higher ground, can be challenging due to adverse weather conditions, ice, and snow. It's crucial to check local weather forecasts and trail conditions before heading out during winter months and to be prepared for colder temperatures and potentially slippery surfaces.
Many trails start or pass through villages like Rhyd-ddu or Betws Garmon, where you can often find local cafes or pubs for refreshments. For instance, routes starting from Rhyd-ddu, such as the Llyn Llywelyn – Lôn Gwyrfai Lakeside Path loop, offer convenient access to amenities before or after your ride.
Many trails in the Llyn Cwellyn area are dog-friendly, but it's essential to keep dogs under control, especially in areas with livestock or wildlife. Always check specific trail regulations and local signage, and be mindful of other trail users.


Browse the best MTB trails in other regions.