Limestone grassland and heath on an outcrop of the Penmon limestone. Most of the site (the larger eastern section) is a North Wales Wildlife Reserve and common land and there is open public access to this area.

MARIANDYRYS SSSI

Anglesey map

SSSI Citation

Site Management Statement

Potentially Damaging Operations list

Verical aerial photograph

Map reproduced by permission of Ordnance Survey ® on behalf of the Controller of Her Majesty's Stationery Office. © Crown copyright. All rights reserved. License number 100044910.