Llyn Ogwen, a region in Snowdonia National Park (Eryri), is defined by its dramatic landscapes and diverse terrain, making it a prominent destination for outdoor activities. Situated between the Carneddau and Glyderau mountain ranges, the area features rugged, rocky peaks, a ribbon lake, and the head of the Nant Ffrancon Valley. This varied geography provides a setting for several sports like hiking, jogging, mountain biking, touring cycling, and more.
The Llyn Ogwen region offers more than 50 routes across several sports like hiking, jogging, mountain biking, touring cycling, and more. Over 327,000 visitors have shared their experiences in Llyn Ogwen, resulting in an average rating of 4.55 out of 5 stars. For hikers, the terrain ranges from accessible lakeside paths, such as the Llyn Ogwen circular walk, to demanding ascents of peaks like Tryfan and Pen yr Ole Wen. Explore the diverse options with guides like Hiking around Llyn Ogwen or Family-friendly hikes around Llyn Ogwen. Mountain biking in Llyn Ogwen includes trails with significant elevation changes, while touring cyclists can navigate scenic routes like the A5 and the Lon Las Ogwen, an 11-mile section of the National Cycle Network. Discover more cycling options through Cycling around Llyn Ogwen.
123
Routes
4.5
(1111)
Average rating
11811
People visited

4.8
(150)
928
hikers
4.77km
01:32
200m
200m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.8
(117)
959
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.8
(110)
1,408
hikers
4.18km
01:11
100m
100m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.8
(106)
585
hikers
7.35km
03:07
610m
600m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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4.7
(37)
406
riders
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

4.1
(14)
76
riders
27.5km
02:36
680m
680m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.6
(5)
36
riders
27.4km
02:32
740m
740m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.0
(2)
20
riders
44.8km
04:07
1,030m
1,030m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
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4.0
(5)
178
runners
19.7km
02:50
930m
930m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

43
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

37
runners
4.24km
00:29
110m
110m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

27
runners
10.1km
01:52
740m
740m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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4.3
(3)
94
riders
78.1km
05:23
970m
960m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.9
(18)
150
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
66
riders
27.3km
01:42
280m
280m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

49
riders
22.5km
01:56
580m
590m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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106
riders
20.7km
01:08
410m
410m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

3.0
(1)
67
riders
27.3km
01:15
280m
280m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

24
riders
24.9km
01:35
600m
600m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

20
riders
81.3km
04:07
1,280m
1,290m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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4.7
(6)
68
hikers
15.3km
05:37
940m
940m
Hard mountaineering route. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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.
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Llyn Ogwen offers a range of outdoor activities including hiking, jogging, mountain biking, touring cycling, road cycling, and mountaineering. The region features diverse terrain suitable for various skill levels, from lakeside strolls to challenging mountain ascents. More than 65 routes are available across these sports.
Llyn Ogwen serves as a starting point for iconic hikes such as Tryfan, Pen yr Ole Wen, and the Glyderau mountain range. The Llyn Ogwen circular walk offers views of Tryfan and the Glyderau mountains. For more options, refer to the Hiking around Llyn Ogwen guide.
Yes, Llyn Ogwen offers accessible routes, including the Llyn Ogwen circular walk and paths leading to Llyn Idwal and Llyn Bochlwyd. These routes provide views without requiring strenuous ascents. The Easy hikes around Llyn Ogwen guide provides further details.
Llyn Ogwen has routes suitable for families, including leisurely lakeside strolls. The Llyn Ogwen circular walk is a popular option that offers scenic views. Specific family-friendly options are detailed in the Family-friendly hikes around Llyn Ogwen guide.
Llyn Ogwen offers a range of mountain biking trails, categorized by difficulty. Examples include loops around Llyn Mymbyr and portions of the Snowdonia Slate Trail Byway. Many routes feature significant elevation changes. More information is available in the MTB Trails around Llyn Ogwen guide.
Yes, touring cyclists can use the scenic A5 road through the Ogwen Valley. The Lon Las Ogwen, an 11-mile (18 km) section of the National Cycle Network, connects Bangor to Llyn Ogwen. This route follows old railway cuttings and quieter roads. For more options, see the Cycling around Llyn Ogwen guide.
Llyn Ogwen is a ribbon lake nestled between the Carneddau and Glyderau mountain ranges, featuring prominent peaks like Tryfan and Pen yr Ole Wen. It is the source of the Afon Ogwen, which flows through Ogwen Falls. The dramatic glacial valley of Cwm Idwal is also nearby.
Parking is available in the Llyn Ogwen region, with several designated areas. The Ogwen Cottage, which also functions as a mountain rescue post, is a common starting point for many trails and typically has parking facilities. Specific parking locations are often highlighted on trail maps.
Many trails in the Llyn Ogwen region are suitable for dogs, provided they are kept under control, especially near livestock. It is advisable to check specific trail guidelines for any restrictions. Responsible dog ownership, including waste disposal, is expected.
Llyn Ogwen is a popular destination on komoot, with more than 327,000 visitors sharing their experiences. The region's routes have an average rating of 4.55 out of 5 stars from over 28,000 ratings. This indicates a high level of satisfaction among users.
Komoot offers several guides for Llyn Ogwen, including Hiking around Llyn Ogwen, Family-friendly hikes around Llyn Ogwen, MTB Trails around Llyn Ogwen, and Cycling around Llyn Ogwen. Guides for running, easy hikes, waterfall hikes, and mountain hikes are also available.
For general information about the wider Ogwen Valley, the Dyffryn Ogwen Community Website is available at ogwen.wales. A phone number for general inquiries is +44 01248 208485. For fishing-specific inquiries, the Ogwen Valley Angling Association can be reached at 01248 601153.
The Llyn Ogwen circular walk is a popular route that encircles the lake, offering excellent views of prominent peaks like Tryfan and the Glyderau mountains. It provides a less challenging option compared to summit ascents while still showcasing the region's dramatic scenery. This walk is suitable for various fitness levels.

