Cors Y Llyn National Nature Reserve is a nationally important wetland located near Builth Wells in Mid Wales, characterized by its unique acidic bog and fenland. Formed by glacial action, the reserve features two distinct basins that have evolved into a rich, mixed habitat, including a rare raised bog, fen, and wet woodland. A notable "Scandi-style" dwarf pine forest and vibrant wildflower meadows add to the distinctive landscape of Cors Y Llyn National Nature Reserve. The area offers opportunities for…
68
Routes
4.3
(40)
Average rating
1012
People visited

3.0
(1)
4
riders
110km
07:32
1,770m
1,770m
Hard bike ride. Very good fitness required. Mostly paved surfaces.

4.0
(1)
4
riders
77.7km
05:22
1,200m
1,200m
Hard bike ride. Very good fitness required. Mostly paved surfaces.

4.3
(4)
54
riders
56.3km
03:20
350m
350m
Moderate bike ride. Good fitness required. Mostly paved surfaces.

65
riders
60.8km
05:22
1,010m
1,010m
Hard bike ride. Very good fitness required. Mostly paved surfaces.
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5.0
(3)
81
riders
63.7km
05:33
1,150m
1,150m
Hard mountain bike ride. Very good fitness required.

5.0
(2)
85
riders
50.0km
04:35
1,050m
1,050m
Hard mountain bike ride. Very good fitness required.

5.0
(1)
35
riders
38.7km
02:57
580m
580m
Moderate mountain bike ride. Good fitness required.

19
riders
Moderate mountain bike ride. Good fitness required.
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3.5
(2)
39
riders
43.7km
02:34
660m
660m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(3)
29
riders
49.7km
02:13
410m
410m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

20
riders
77.5km
03:48
760m
760m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

16
riders
Easy road ride. Mostly well-paved surfaces and easy to ride.
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4.0
(1)
51
hikers
3.03km
00:47
20m
20m
Easy hike. Easily walkable paths.

10
hikers
Moderate hike. Good fitness required. Easily walkable paths.

5.0
(1)
12
hikers
9.12km
02:22
60m
60m
Moderate hike. Good fitness required. Easily walkable paths.

3.5
(2)
77
hikers
4.23km
01:07
40m
40m
Easy hike. Easily walkable paths.
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28
runners
Moderate run. Good fitness required. Mostly paved surfaces.

16
runners
9.53km
01:02
140m
140m
Moderate run. Good fitness required. Mostly paved surfaces.

15
runners
9.73km
01:08
140m
140m
Moderate run. Good fitness required. Mostly paved surfaces.

12
runners
4.72km
00:29
20m
20m
Easy run. Mostly paved surfaces.
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Cors Y Llyn National Nature Reserve is a nationally important wetland located near Builth Wells in Mid Wales. It is renowned for its unique acidic bog and fenland, which formed in glacial basins, and features a distinctive 'Scandi-style' dwarf pine forest. The reserve supports a rich variety of plant and animal life.
The reserve primarily offers hiking opportunities, including an accessible boardwalk trail. The wider area around Cors Y Llyn National Nature Reserve provides extensive options for cycling, including touring cycling, road cycling, and mountain biking. Visitors can also find routes for jogging.
Yes, Cors Y Llyn National Nature Reserve features a half-mile (0.7 miles/1.1 kilometers) boardwalk trail that loops across the bog, wildflower meadow, and stunted forest. This trail is suitable for various fitness levels. For more options, explore Hiking around Cors Y Llyn National Nature Reserve.
While direct cycling within the delicate reserve is limited, the surrounding region offers numerous cycling routes. Options are available for touring cycling, road cycling, and mountain biking in the wider Mid Wales area. Guides like Cycling around Cors Y Llyn National Nature Reserve provide details.
The half-mile (0.7 miles/1.1 kilometers) boardwalk trail is accessible and suitable for families, allowing exploration of the unique bog ecosystem. For family-specific hiking options, refer to Family-friendly hikes around Cors Y Llyn National Nature Reserve.
The reserve is known for its rare raised bog and fenland, home to diverse sphagnum mosses, bog asphodel, and marsh cinquefoil. It also features a 'Scandi-style' dwarf pine forest with stunted Scots pines and vibrant wildflower meadows. Amphibians and various bird species inhabit the mire.
Cors Y Llyn National Nature Reserve is a popular destination on komoot, with more than 4,000 visitors having shared their experiences. Routes in the area have an average rating of 4.43 out of 5 stars, indicating high user satisfaction.
Dedicated mountain biking trails are not within the immediate reserve boundaries due to its delicate ecosystem. However, the broader region around Cors Y Llyn National Nature Reserve offers mountain biking opportunities. Information on these trails can be found in guides such as MTB Trails around Cors Y Llyn National Nature Reserve.
The half-mile (0.7 miles/1.1 kilometers) boardwalk trail across the bog is designed to be wheelchair-accessible. It allows visitors of all fitness levels to experience the reserve's unique environment. Some sections may have minor unevenness.
Komoot offers several guides for the area, including Hiking around Cors Y Llyn National Nature Reserve, Cycling around Cors Y Llyn National Nature Reserve, and MTB Trails around Cors Y Llyn National Nature Reserve. There are also guides for road cycling, jogging, and family-friendly hikes.
Komoot provides specific guides for traffic-free cycling options in the vicinity of the reserve. Cyclists can explore Traffic-free bike rides around Cors Y Llyn National Nature Reserve for touring bikes and a similar guide for road cycling.
The official website for Cors Y Llyn National Nature Reserve, managed by Natural Resources Wales, is naturalresources.wales/days-out/places-to-visit/mid-wales/cors-y-llyn-national-nature-reserve-near-builth-wells/. This site provides further information about the reserve.
Natural Resources Wales, which manages Cors Y Llyn National Nature Reserve, can be contacted by phone. The general contact number is +443000653000.

