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Boating the River Witham

Find boating information for the River Witham

River Witham

Length36.5 miles
Locks5

Maximum boat dimensions

Lincoln to Stamp End Lock

Length22.86m75ft
Width5.4m17ft 8"
Draught1.52m5ft
Headroom2.74m9ft

Stamp End Lock to Boston Grand Sluice

Length21.41m70ft 3"
Width5.3m17ft 4"
Draught1.52m5ft
Headroom3.5m11ft 6"

Boston Lock

Outgoing journeys from the river: Boaters need to be on the quayside 30mins prior to level time and once passed through the lock they must use Radio channel 12 to inform port control in order to pass through flood barrier. 

Incoming journeys from tidal side: Boaters must contact the lock keeper 30 mins prior to arrival by phone or radio channel 74, to confirm their time of arrival and in order for the lock keeper to give instructions.  

Oversized craft: Any craft over 45ft length must go out on second level which is two hours after high tide.  

For further information please call the lock keeper on: 07387050967

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Last Edited: 05 June 2025

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