Maximum practical dimensions above Hall Bridge are:
Draft 0.62m (statutory minimum, though much of the waterway is deeper);
Air draft 1.9m (lowest bridge at Paper Mill).
Actual lock dimensions are approximately 18.46m x 4.92m.
Find out about using the sea lock and mooring at Heybridge Basin.
Find out about RYA Helmsman courses.
Please note that Essex Waterways Ltd. is no longer offering the RYA Helmsman Training Course.