Llyn Dulyn is a dramatic region nestled within the Carneddau range of Snowdonia, North Wales, characterized by its rugged mountain landscape and the deep, dark lake from which it takes its name. Steep cliffs rise from the lake's edge, creating a wild and remote environment ideal for various outdoor pursuits. This striking scenery provides a challenging and rewarding backdrop for several sports like hiking, jogging, road cycling, mountaineering, and more.
The Llyn Dulyn area…
133
Routes
4.6
(336)
Average rating
4271
People visited

4.8
(41)
225
hikers
4.41km
01:19
150m
150m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.3
(14)
285
hikers
5.18km
01:24
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.3
(18)
130
hikers
7.21km
01:58
110m
110m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.5
(14)
149
hikers
13.6km
04:18
450m
450m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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4.6
(8)
340
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

4.3
(6)
231
riders
70.5km
03:31
1,010m
1,010m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(2)
38
riders
21.3km
00:57
210m
210m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

5.0
(1)
30
riders
84.3km
04:36
1,430m
1,430m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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5.0
(3)
114
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

30
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.5
(2)
61
runners
13.8km
01:44
310m
310m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

35
runners
18.0km
02:50
790m
790m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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4.9
(18)
150
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

17
riders
17.2km
01:10
240m
240m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
17
riders
23.1km
01:22
160m
160m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
15
riders
32.6km
01:58
280m
280m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.5
(2)
32
riders
57.1km
04:14
790m
790m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

5.0
(4)
32
riders
35.9km
02:25
470m
470m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

5.0
(1)
11
riders
14.3km
01:05
160m
160m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

3.5
(2)
8
riders
14.1km
01:32
480m
480m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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35
hikers
6.88km
03:35
610m
610m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

5.0
(1)
24
hikers
7.22km
03:10
580m
580m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

5.0
(1)
10
hikers
3.80km
02:44
550m
550m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

9
hikers
8.69km
03:50
580m
580m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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9
riders
27.4km
02:17
620m
620m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

6
riders
23.4km
01:53
530m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3
riders
29.5km
02:30
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Llyn Dulyn offers a range of outdoor activities including Hiking, Jogging, Road cycling, Mountaineering, Touring cycling, Mountain biking, and Gravel biking. The region features diverse terrain suitable for various skill levels and interests.
The Llyn Dulyn area features numerous hiking trails, including a circular walk around Llyn Dulyn itself. Routes can be extended to incorporate Llyn Melynllyn or lead to high peaks like Carnedd Llewelyn and Carnedd Dafydd. More options are detailed in the Hiking around Llyn Dulyn guide.
Yes, Llyn Dulyn offers routes for various fitness levels, from moderate lakeside strolls to demanding mountain ascents. Specific options for less challenging walks are available in the Easy hikes around Llyn Dulyn and Family-friendly hikes around Llyn Dulyn guides.
Llyn Dulyn offers diverse cycling routes for Road cycling, Touring cycling, Mountain biking, and Gravel biking. These routes include both paved and unpaved sections. Information on routes can be found in the Road Cycling Routes around Llyn Dulyn and Cycling around Llyn Dulyn guides.
Llyn Dulyn itself is a deep lake, reaching 189 feet (58 meters) and covering 33 acres, known for its dark appearance. Less than 1 kilometer (0.6 miles) to its south lies the smaller Llyn Melynllyn. The area is characterized by the rugged mountain landscape of the Carneddau range.
Yes, the Llyn Dulyn region features waterfall hikes. These routes allow exploration of the area's natural water features. Specific trails are highlighted in the Waterfall hikes around Llyn Dulyn guide.
Public transport options are available for accessing the Llyn Dulyn area. Hikers can find routes that start directly from bus stations, providing convenient access to the trails. Consult the Hikes from bus stations around Llyn Dulyn guide for specific routes.
Mountaineering in Llyn Dulyn is suitable for experienced individuals due to the rugged mountain terrain and steep cliffs. The Carneddau range offers challenging ascents to peaks like Carnedd Llewelyn and Carnedd Dafydd. Refer to the Mountain Hikes around Llyn Dulyn guide for more information.
Llyn Dulyn is a popular destination on komoot, with more than 134,000 visitors sharing their experiences. The routes in the region have an average rating of 4.58 out of 5 stars from over 12,000 ratings.
Llyn Dulyn was dammed in 1881 to increase its capacity and later repurposed for hydroelectric generation in 1997. The cwm has also been the site of several aeroplane crashes, leading to the nickname "The Aviator's Graveyard." Remnants of WWII planes are sometimes visible when water levels are low.
Yes, the Llyn Dulyn area features a bothy, which is a basic mountain shelter. This can serve as a welcome break spot for those exploring the remote terrain of the Carneddau range.
Komoot offers several guides for Llyn Dulyn, including Family-friendly hikes, Easy hikes, Running Trails, Road Cycling Routes, and General Hiking guides.
As a natural lake, Llyn Dulyn does not have a dedicated official website. For inquiries related to fishing, the Dolgarrog Fishing Club can be contacted. The official website for fishing permits is fishingpassport.co.uk.

