Cors Erddreiniog is a national nature reserve located on the island of Anglesey in Wales, recognized for its significant wetland ecosystem. As the largest of Anglesey's fens, the reserve encompasses a varied landscape of extensive reed beds, woodlands, heathland, and small lakes, all shaped by mineral-rich water from surrounding limestone. This unique environment supports diverse plant and animal life, making it a notable destination for outdoor activities such as hiking, touring cycling, jogging, road cycling, and more.
112
Routes
4.7
(180)
Average rating
2475
People visited

1
riders
58.9km
03:37
380m
380m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.8
(11)
127
riders
43.6km
02:53
150m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.3
(3)
29
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.0
(1)
19
riders
20.5km
01:22
280m
280m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.6
(14)
183
hikers
6.04km
01:34
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.8
(13)
151
hikers
7.88km
02:03
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.7
(10)
144
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.8
(20)
282
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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54
riders
51.2km
02:44
220m
220m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

5.0
(1)
36
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
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23
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
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11
riders
44.9km
02:17
540m
540m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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5.0
(4)
22
riders
43.0km
02:37
140m
140m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

8
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

3
riders
54.9km
03:14
560m
560m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

3.0
(1)
3
riders
18.6km
01:11
250m
250m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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5.0
(1)
32
runners
11.3km
01:12
130m
130m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

25
runners
9.01km
00:57
120m
120m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
21
runners
6.86km
00:44
110m
110m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

15
runners
9.98km
01:06
100m
100m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Cors Erddreiniog is a National Nature Reserve located on the island of Anglesey in Wales. It is the largest fen on Anglesey, recognized for its significant wetland ecosystem and diverse habitats. The reserve is designated as a Site of Special Scientific Interest (SSSI), Special Area of Conservation (SAC), and a Ramsar site.
Cors Erddreiniog offers opportunities for various outdoor activities, including Hiking, Touring cycling, Jogging, and Road cycling. The area features trails through fenland, heathland, and woodland, with surrounding roads suitable for cycling. Komoot provides guides for these activities, such as Hiking around Cors Erddreiniog and Cycling around Cors Erddreiniog.
Yes, Cors Erddreiniog features accessible walking trails, including a boardwalk through reed beds. The "Fen and Pond Walk" is an easy, waymarked trail, approximately 3¼ miles (5.2 kilometers) there and back. This trail leads to a bird hide overlooking one of the freshwater lakes.
While the reserve itself has limited designated cycling paths, the wider Anglesey area offers various road cycling routes around Cors Erddreiniog. These routes combine coastal views with inland paths. Guides like Road Cycling Routes around Cors Erddreiniog are available.
The existing walking trails, such as the Fen and Pond Walk, can be used for jogging, especially during drier periods. The generally flat terrain of Anglesey also lends itself to jogging on quiet country roads around the reserve. Komoot offers Running Trails around Cors Erddreiniog.
Yes, the "Fen and Pond Walk" is an easy, waymarked trail suitable for families. It provides an accessible route through the reserve's unique habitats. For more options, consult the Family-friendly hikes around Cors Erddreiniog guide.
Information regarding specific dog restrictions within the reserve is not detailed, but it is generally advisable to keep dogs on a lead to protect wildlife. Komoot provides a guide for Dog-friendly hikes around Cors Erddreiniog in the surrounding area.
Cors Erddreiniog is known for its extensive reed beds, woodlands, heathland, and small lakes, including Llyn yr Wyth Eidion. The fenland habitat supports rare plants like narrow-leaved marsh orchids and insectivorous plants such as sundew. It is also home to 21 species of dragonflies and damselflies.
The reserve is a haven for diverse wildlife. Birdwatchers can spot species like hen harriers and lapwings in winter, and willow tits and grasshopper warblers in summer. Other wildlife includes otters, brown hares, great crested newts, adders, and water voles.
While direct public transport to the reserve's entrance may be limited, bus services operate in the wider Anglesey area. Hikers can explore routes starting from bus stations. Refer to the Hikes from bus stations around Cors Erddreiniog guide for options.
Spring and summer are ideal for observing wildflowers, including various orchid species, and a profusion of dragonflies and damselflies. Winter offers opportunities to spot bird species like hen harriers and lapwings. The reserve's unique habitats are accessible year-round.
Information about Cors Erddreiniog National Nature Reserve is primarily available through Natural Resources Wales, which manages the site. The official website for Natural Resources Wales is naturalresources.wales.
The main walking trail, the "Fen and Pond Walk," is considered easy and suitable for a wide range of visitors. Paths can become muddy after wet weather, requiring appropriate footwear. Komoot offers an Easy hikes around Cors Erddreiniog guide.

