Colliford Lake is a reservoir

Reservoir

A reservoir , artificial lake or dam is used to store water.Reservoirs may be created in river valleys by the construction of a dam or may be built by excavation in the ground or by conventional construction techniques such as brickwork or cast concrete.The term reservoir may also be used to...

 on Bodmin Moor

Bodmin Moor

Bodmin Moor is a granite moorland in northeastern Cornwall, England, United Kingdom. It is in size, and originally dates from the Carboniferous period of geological history....

, Cornwall

Cornwall

Cornwall is a unitary authority and ceremonial county of England, within the United Kingdom. It is bordered to the north and west by the Celtic Sea, to the south by the English Channel, and to the east by the county of Devon, over the River Tamar. Cornwall has a population of , and covers an area of...

, United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

. Covering more than 900 acres (3.6 km²), it is the second largest lake in Cornwall, after The Loe

The Loe

The Loe , also known as Loe Pool, is the largest natural freshwater lake in Cornwall, United Kingdom. Situated between Porthleven and Gunwalloe and downstream of Helston it is separated from the sea by the shingle bank of Loe Bar...

. It is situated south of the A30

A30 road

The 284 miles A30 road from London to Land's End, historically known as the Great South West Road used to provide the most direct route from London to the south west; more recently the M3 motorway and A303 road performs this function for much of the route and only parts of A30 now retain trunk...

 trunk road near the village of Bolventor

Bolventor

Bolventor is a hamlet on Bodmin Moor in Cornwall, United Kingdom. It is situated in Altarnun civil parish between Launceston and Bodmin.Bolventor is the location of the famous Jamaica Inn coaching inn...

, the approximate centre of the lake being at .

The northernmost point of the lake is approximately three-quarters of a mile (1 km) south of Bolventor at and the headbank

Dam

A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 at the southermost point is approximately three miles (5 km) south of Bolventor at .

Leisure facilities on the site include angling

Angling

Angling is a method of fishing by means of an "angle" . The hook is usually attached to a fishing line and the line is often attached to a fishing rod. Fishing rods are usually fitted with a fishing reel that functions as a mechanism for storing, retrieving and paying out the line. The hook itself...

 and a 50 acres (202,343 m²) adventure and nature park, Colliford Lake Park, which features trails and footpaths, play areas, wetlands, picnic areas and a cafe.

Colliford Lake is managed by the South West Lakes Trust, an environmental and recreational charity which manages fifty inland water sites in Cornwall, Devon, and Somerset.