Canal & River Trust
4.9 miles of navigable water, 0 locks, 2 named marinas and moorings. Passes Slough.
| Boat | Size | Fits? |
|---|---|---|
| Narrowboat | 57ft × 6ft 10in | Some sections |
| Long narrowboat | 70ft × 6ft 10in | Some sections |
| Widebeam | 60ft × 10ft | Some sections |
| Widebeam | 60ft × 12ft | Some sections |
| Dutch barge | 70ft × 14ft 6in | Some sections |
Length and beam against Canal & River Trust. “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.
Maximum boat sizes in metres, from the Canal & River Trust's waterway dimensions (page last edited 26 Mar 2026). “–” means the Trust doesn't give a figure.
| Section | Length | Beam | Draught | Headroom |
|---|---|---|---|---|
| Slough Arm (no locks) | – | 4.92 | 1.1 | 2.33 |
Each opens its Check a Mooring page: what's nearby on the water and ashore.
Mapped within 150 m of the Slough Arm in OpenStreetMap. Volunteers map these, so there are gaps.
None mapped.
None mapped.
None mapped.
None mapped.
Partly. A 60ft × 10ft widebeam fits some sections of the Slough Arm but not all of them. Check the limits for the sections you plan to use.
Partly. A 57ft narrowboat fits some sections but not all.
About 4.9 miles of navigable water on our map, with 0 locks mapped in OpenStreetMap.
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