Cors Dyfi
Please note - Cors Dyfi is now closed to the public while we build a new Observatory at the reserve. The reserve will reopen in late Spring 2013. The Dyfi Osprey Project, however, is now open and will remain open (10am to 6pm) throughout the building work.
Expect the unexpected!

Once estuary, reclaimed grazing, then conifer plantation and finally wildlife-rich wetland, the land at Cors Dyfi has seen many changes. Today the reserve is a mixture of bog, swamp, wet woodland and scrub supporting a plethora of animals and plants, including the magnificent Osprey, which bred on the reserve, for the first time, in 2011. If you're lucky, you may also spot an otter or dormouse!
Best time to visit
The Ospreys are typically around from April to September. Spring and Summer are also the best times to see many of Cors Dyfi’s other plants and animals, such as Common Lizard, Nightjar, Grasshopper, Reed & Sedge Warblers, Yellow Flag and Four-spotted Chaser. The Trust’s Water Buffalo graze the reserve during the Summer.
To find out more about the Dyfi Osprey Project click here.
Seasonal checklist
| SPRING | SUMMER | AUTUMN | WINTER |
| Osprey | Osprey | ||
| Reed Warbler | Nightjar | ||
| Sedge Warbler | Four-spotted Chaser | ||
| Grasshopper Warbler | Common Lizard | ||
| cottongrass | Yellow Flag |
Visiting Cors Dyfi: The reserve is open year round, 24 hours a day; the osprey project is open from April to September, 10am to 6pm. During osprey project opening hours, there is a suggested donation scheme (£2.50 individual, £5 families and £10 season ticket) to help cover the costs of running the project; entry is free at other times.
With the exception of the elevated bird hide, the site is fully accessible to wheelchair users. Facilities include visitor centre with a small shop & basic refreshments; there is a disabled toilet.
Well-behaved dog owners are welcome - remember, you dog doesn't know that it is a nature reserve, so please help us retain this privilege by keeping him on a lead and clearing up any mess.
Directions & transport: Cors Dyfi is 3.5 miles south west of Machynlleth on the A487 Abersytwyth road. Approximately 2.5 miles south of Derwenlas, turn right just after Morben Isaf caravan park. Park in the reserve car park.
The nearest bus stop (Llyfnant Valley Bridge) is approximately 500m south of the reserve entrance.
The nearest rail station is Machynlleth. Visitors are asked not to use Dyfi Junction station as there is no access to the reserve from here.
Additional information
| Grid reference: | SN701985 |
| Postcode: | SY20 8SR |
| Size: | 16.8 hectares |
| Designation: | None |
| Type: | wetland |


