Caeau Tan y Bwlch
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 present.

The upper fields at Caeau Tan y Bwlch support Common Knapweed, Bird's-foot-trefoil, Lady's-mantle, Adder's-tongue Fern, Heath, and Common spotted-orchid and Greater Butterfly-orchid.
On the lower, wetter slopes a variety of ferns, sedges and other water-loving plants such as Wood Horsetail, Marsh Violet, Bogbean, Cuckooflower and Devil's-bit Scabious thrive.
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 meadows are grazed from September to April each year. Some of the drier meadows are cut for hay in late summer.
Location: Capel Uchaf, near Clynnog Fawr, Gwynedd. Grid Reference: SH 431 488
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links
Map and directions Click below to see the map and directions for the reserve
Management
Caeau Tan y Bwlch is managed by North Wales Wildlife Trust on behalf of Plantlife
Further details
For further details contact the Plantlife Office or e-mail trevor.dines@ plantlife.org.uk



