Lakeside Nature Reserve is a small Site of Local Importance for Nature Conservation in Church End, Finchley in the London Borough of Barnet.
Its main feature is a pond which was constructed in the late 1890s by Peter Edmund Kay as a reservoir to store rainwater for commercial greenhouses in the Claigmar Vineyard, a large market garden in the late nineteenth and early twentieth centuries.
[1][2][3] The pond has a fountain and plants fringing the shore include water mint, gypsywort and purple-loosestrife.
Waterfowl nest on a small island, and dragonflies are present in the summer.
[4] There is no public access but it can be viewed from a footpath off Strathmore Gardens.