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River Lark

The River Lark is navigable for 10.2 miles and is a tributary of the River Great Ouse.

Things to do Nearby

Facts & Stats


The length of the River Lark that is navigable


The waterway was officially abandoned in 1888

1 lock

The River Lark has one operational lock at Isleham

Waterway Notes

Navigation Authority

Funding of waterways managed by the Environment Agency

Along with its many environmental responsibilities, the Environment Agency manages the navigation of 630 miles of waterways – such as the River Thames and the River Medway in the south east – and many waterways in the Anglian Region.

Sustainable boating

We want boating on canals and rivers to be more sustainable and – even though the current overall contribution to UK carbon emissions is very small – we want to help reduce emissions on the waterways.

Waterways heritage

Our waterways heritage is what makes Britain’s canals and rivers special and it must be actively protected – through the local planning system and sufficient funding – for the future.