Marina

Denham Marina

Marina on the Grand Union Canal, in Uxbridge.

Plan a trip from here Directions by road

Denham MarinaWater pointElsanRubbishWinding holeAbout 6 miles across. Not a navigation chart.

Will your boat fit?

Your boat's length

Beam

ftin

Boat	Size	Fit
Narrowboat	57ft × 6ft 10in	Fits
Hire boat	45ft × 6ft 10in	Fits
Widebeam	55ft × 10ft	Some sections
Dutch barge	60ft × 12ft 6in	Some sections

Length 71ft 2in to 72ft (21.69–21.95 m), beam 7ft to 14ft (2.13–4.27 m)

Canal & River Trust waterway dimensions, last edited 26 Mar 2026. Where there are two figures, sections differ: "Some sections" means your boat fits the largest but not the smallest.

Length and beam only. Draught and headroom aren't checked yet.

On the water nearby

Water points

Broken0.7 mi S

Cowley Lock Water Point1.6 mi S

Coppermill Lock Water Point4.1 mi N

Elsan disposal

Cowley Lock Elsan Point1.6 mi S

Elsan point by Widewater Lock2.4 mi N

Pump-out

None mapped within 5 miles.

Boat fuel

None mapped within 5 miles.

Rubbish disposal

Cowley Lock Rubbish Disposal1.5 mi S

Coppermill Lock Rubbish Disposal4.1 mi N

Winding holes

Denham Marina Turning Point80 yd SW

Uxbridge Oxford Road Bridge Winding Hole210 yd SW

Colne Junction Uxbridge Lock Turning Point240 yd N

Locks

Uxbridge Lock90 yd NW

Denham Lock0.9 mi N

Cowley Lock1.6 mi S

Straight-line distances. By boat it may be further.

Ashore, within a mile

Supermarkets

Aldi400 yd SE

Sainsbury's0.4 mi SE

Lidl0.5 mi SE

Local shops

Local Express250 yd W

Asda Express0.3 mi NW

Tesco Express0.3 mi S

Pubs

Swan and Bottle170 yd SW

The Crown and Treaty250 yd S

The Good Yarn0.3 mi S

Cafés

Tea for U0.3 mi SE

Rusty Bike0.4 mi S

Costa0.4 mi S

Pharmacies

Flora Fountain Pharmacy0.6 mi SE

Post offices

Mail Boxes Etc. Uxbridge0.4 mi S

None mapped within a mile: gp surgery, laundrette.

Straight-line distances from the mooring.

Getting here, and other moorings

Nearest railway station

Denham station2.0 mi N

Other marinas and moorings

Cowley North Offside1.3 mi S

Cowley Visitor Moorings1.3 mi S

What we can't tell you yet

Berth prices, and whether there are spaces.
Whether residential or liveaboard berths are offered.
Facilities for berth holders: electric hook-up, Wi-Fi, showers, parking.
Contact details and opening times.

We only show these once we have them from the marina or a published source. Something wrong or missing on the map? Fix it in OpenStreetMap and it reaches this page at our next update.

Position 51.5519, -0.4830 · Open in OpenStreetMap