Environment Agency

River Lark

13 miles of navigable water, 1 lock, 5 named marinas and moorings. Passes None within a mile.

Will your boat fit?

BoatSizeFits?
Narrowboat57ft × 6ft 10inFits
Long narrowboat70ft × 6ft 10inFits
Widebeam60ft × 10ftFits
Widebeam60ft × 12ftFits
Dutch barge70ft × 14ft 6inFits

Length and beam against Environment Agency lock sizes. “Some sections” means your boat is too big for at least one section or lock. Draught and headroom aren't checked here: see the table below.

Lock sizes

Isleham Lock 26.8 × 4.55 m. Below the lock there are no locks.

Environment Agency, River Lark, Ely Ouse to Judes Ferry, last updated 26 Apr 2022. The Agency publishes lock sizes and bridge heights, not a maximum boat size.

Marinas and moorings

Each opens its Check a Mooring page: what's nearby on the water and ashore.

Services on the water

Mapped within 150 m of the River Lark in OpenStreetMap. Volunteers map these, so there are gaps.

Water points 1

1 more without a name in OpenStreetMap.

Elsan disposal 0

None mapped.

Pump-out 0

None mapped.

Boat fuel 0

None mapped.

Rubbish disposal 0

None mapped.

Winding holes 0

None mapped.

Questions

Can a widebeam go on the River Lark?

Yes. A 60ft × 10ft widebeam is within every published limit on the River Lark.

Will a 57ft narrowboat fit on the River Lark?

Yes. A 57ft × 6ft 10in narrowboat is within every published limit on the River Lark.

How long is the River Lark, and how many locks does it have?

About 13 miles of navigable water on our map, with 1 lock mapped in OpenStreetMap.