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Caeau Tan y Bwlch

Location: Capel Uchaf, near Clynnog Fawr, Gwynedd

Grid Reference: SH 431 488

Caeau Tan y Bwlch (“the fields below the mountain pass”) on the northern slopes of Bwlch Mawr represent some of the last unimproved fields left on the Lleyn Peninsula with clawdd (earth and stone) walls still in place.

The meadows are grazed from September to April each year. Some of the drier meadows are cut for hay in late summer.

Wildflowers at the reserve

WHAT TO SEE AND WHEN

May: cuckooflower, marsh violet

June: adder's-tongue, greater butterfly-orchid, bogbean

July: black knapweed, common bird's-foot-trefoil, heath spotted-orchid

August: Devil's-bit scabious

The upper fields at Caeau Tan y Bwlch support common knapweed, bird’s-foot-trefoil, lady’s-mantle, adder’s-tongue fern, heath, common spotted-orchid and greater butterfly-orchid.

On the lower, wetter slopes a variety of ferns, sedges and other water-loving plants thrive, such as wood horsetail, marsh violet, bogbean, cuckooflower and Devil’s-bit scabious.

Directions

Click here to download a map of the reserve.


Take the A499 from Caernarfon to Pwllheli. Just before the church in Clynnog-fawr take a sharp left towards Llanllyfni, then turn immediately right. After about three-quarters of a mile turn right and continue for one mile. Pass a sharp left bend. Caeau Tan y Bwlch are 150m along on the left.

The nearest train station is Criccieth which is 15 miles from the reserve.