Lake Pikkjärv is a natural lake near Suru village in Harju County, Kuusalu Parish. It is the most north-eastern lake among the Järvi lakes, with an area of 5.2 ha. The lake is surrounded by a mixed pine-spruce forest. The north-eastern shore of the lake is sandy and suitable for bathing.

The lake is located in Kõrvemaa and offers camping opportunities. The camping site is located in the north-eastern corner of the lake, under spruce trees. The Järvi-Aegviidu hiking trail (27 km), which starts at the Pikkjärv camping site, is part of the large network of the State Forest Management Centre’s hiking trails.