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Nature Reserve:Cors Fochno at Dyfi National Nature Reserve

Ynyslas Centre & Dyfi National Nature Reserve

Ynyslas Centre & Dyfi National Nature Reserve

Ynyslas Centre & Dyfi National Nature Reserve

Nature Reserve, free entry

Ynyslas Visitor Centre,
SY24 5JZ



Cors Fochno is part of the Dyfi National Nature Reserve, situated midway between Aberystwyth and Machynlleth. Known locally as Borth Bog, Cors Fochno is one of the largest and finest remaining examples of a raised peat bog in Britain - peat has been accumulating here gradually and continuously for over 6,000 years and now reaches a depth of over 6 metres.

The bog’s formation started around 5500 BC when part of the estuary floodplain was covered by forest, but as sea levels rose, the forest was replaced by reed swamp and then peat bog.

The most westerly part is now eroded by the sea, but at low tide the stumps of long dead trees can still be seen on the beach near Borth.

The bog’s surface today is dominated by a tapestry of green, gold and red sphagnum mosses and many rare and unusual species live here including insectivorous plants like sundews, the rosy marsh moth and small red damselfly.

The Wales Coast Path runs around the edge of Cors Fochno between Borth and Tre Tallesin.

Grade: Easy | Distance: 1 mile/1.4 kilometres | Time: 1 hour

Enjoy views over the huge peat bog on the circular boardwalk but please stay on the boardwalk – we don’t want you to sink or get stuck! .

The walk is a short walk from the small parking area around the edge of the bog which starts from the parking area. The track to Cors Fochno is on the south side of the B4353 three kilometres from Tre’r-ddol. Go through the gate at the start of the track (please close it after driving through) and the parking area is 800 metres along the track. Dogs are not allowed on this trail.

Baby changing facilitiesDisabled toiletsGift shopOn-site light refreshmentsPicnic sitePublic toiletsAccepts groups

Children welcomeMobility Accessibility FacilitiesDogs accepted


Free entry

Car parking is very limited and is free of charge.


Ynyslas Visitor Centre,
SY24 5JZ


Plan route to Dyfi National Nature Reserve using Google mapsPlan route using Google maps

Map reference: SN 610940  Lat: 52.52772 Long: -4.05029

Ynyslas is 14 miles north of Aberystwyth.

It is in the county of Ceredigion.

Ynyslas is on Ordnance Survey (OS) map OL 23.

Take the A487 from Aberystwyth towards Machynlleth.

In Tre'r-ddol turn left onto the B4353.

After 3½ miles, turn right and follow the minor road alongside the dunes and golf course to the car park.

The car park is on the beach and it is flooded in high tides.

Please note tide times on car park entrance sign

The nearest mainline railway station is in Borth.

Parking: with charge


  • Baby changing facilitiesBaby changing facilities
  • Disabled toiletsDisabled toilets
  • Gift shopGift shop
  • On-site light refreshmentsOn-site light refreshments
  • Picnic sitePicnic site
  • Public toiletsPublic toilets
  • Accepts groupsAccepts groups
  • Children welcomeChildren welcome
  • Mobility Accessibility FacilitiesMobility Accessibility Facilities
  • Dogs acceptedDogs accepted

Self-Assessed Accessibility Details


  • YesDesignated parking for guests with disabilities
    • YesWithin 50 metres approx. of entrance
  • The surface of the car park and pathway leading to entrance:
    • Yesis solid
  • The route from the parking area to the entrance:
    • YesHas a ramp


There is a circular boardwalk at Cors Fochno, which is suitable for wheelchair users.