County Dublin topographic maps

Average elevation: 21 m

Average elevation: 16 m

Average elevation: 8 m

Average elevation: 59 m

Lambay Island is the largest island off the east coast of Ireland. It covers about 2.5 km2 (0.97 sq mi). The highest point – a hill known as Knockbane – rises to 126 m (413 ft). The island's high ground lies to the east and aside from Knockbane includes Heath Hill and Tinian Hill, and in the extreme…

Average elevation: 14 m

Average elevation: 57 m