Holburn Lake and Moss is a nature reserve in Northumberland, England to the east of the village of Holburn.

Nearby is St Cuthbert's Cave.

Birds such as Eurasian wigeon and common teal also roost.

There is an area of floating bog to be found along the eastern shore of the lake.

Holburn Moss is a peat bog, supporting a variety of bog mosses together with other bog plants including heather, cotton grass, cranberry and round-leaved sundew.