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Major source
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Flash or large lake
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Lake or reservoir
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Canal basin
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Branch
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Junction with a non-navigable branch
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Junction with a former branch
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Natural watercourse tributary
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Flat crossing
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Triangular junction
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Canal continuing off map
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One-way route in specified direction
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Bridge
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… lift
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… swing
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… over another canal
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… over water
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… over highway international
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… over motorway British/Irish
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… under railway
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Underpass
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Tunnel
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Cutting
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Embankment
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Aqueduct
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Marker, midpoint or milepost
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Summit
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Border or divide
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Loop
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Passing loop
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Island
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Toll island or gauging station
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Ford
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Vertical sluice gate
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Bidirectional stop-lock
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Flood gate or single gate
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Lock
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Lock staircase
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Lock series
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Inclined plane or boat lift
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Abrupt end
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Off-line marina
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Marina or side wharf
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Wharf or mooring
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Dry dock
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Pumping station or building
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Water mill
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Sluice with pumping station
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Windmill
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Miscellaneous structure or feature
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Estuary
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Ocean
or sea
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Feeder reservoir
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Start/end of navigable section
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Weir
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White water pool
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Reservoir
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Large reservoir
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