Lough Dan (Irish: Loch Deán)[2] is a scenic boomerang-shaped ribbon lake largely set on private property, in the Wicklow Mountains in Ireland.

Most of the lake is surrounded by private lands, though the north-western corner is part of the Wicklow National Park.

national campsite, now one of several belonging to Scouting Ireland, lies beside the lake.

The Jamboree was abandoned on the Thursday due to inclement weather and flooding.

This article related to the geography of County Wicklow, Ireland is a stub.