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Denham Deep Lock – Springwell Reedbed loop from Harefield

Routes

Hiking trails & Routes

Denham Deep Lock – Springwell Reedbed loop from Harefield

Moderate

4.5

(10)

hikers

Denham Deep Lock – Springwell Reedbed loop from Harefield

04:59

19.5km

80m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 6, 2026

Waypoints

Start point

Bus stop

Get Directions

1.76 km

The Alders

Forest

4.19 km

Denham Deep Lock

Highlight • Rest Area

It's not for nothing that this is called Denham Deep Lock. At 36 feet (11 m) deep, it's the deepest lock on the Grand Union Canal.

If you're hungry, you can find Fran's Tea Garden here.

Tip by

10.1 km

Coy Carp Pub and Kayak Spot on the Grand Union Canal

Highlight • Bridge

This is at the bottom of the cheeky climb that heads towards Harefield. The road follows a chicane over a narrow bridge that is controlled by traffic lights so make …

Tip by

10.9 km

Grand Union Canal – Clear Water and Aquatic Plants

Highlight • Natural

Thousands of fish. Perfect spot to sit down and relax.

Tip by

11.4 km

Springwell Reedbed

Highlight • Lake

The largest reedbed in London, home to many types of wildlife.

Tip by

11.9 km

Grand Union Canal at Springwell Lane

Highlight • Cycleway

Be aware that most of the side roads (including New Park Road, which is the recommended start point) are residents' parking only, but we found it easy to park on the main Rickmansworth Road on a Sunday.

Tip by

12.4 km

Stocker's Lake Bird Hide

Highlight • Lake

Great Place to watch Birds. Highly recommended.

Tip by

12.7 km

Viewpoint

14.4 km

Stocker's Lock and Stone Bridge

Highlight • Structure

About 1922, the land between the River Colne and the canal was taken over by Rickmansworth Gravel Company. Building in the capital was booming and gravel was in demand. Extraction …

Tip by

17.9 km

Weir at Towpath Bridge No. 177B

Highlight • River

Great looking weir, good to see something different 👍

Tip by

19.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

10.4 km

7.15 km

1.02 km

820 m

< 100 m

Surfaces

13.5 km

2.39 km

1.35 km

1.01 km

609 m

543 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Tuesday 1 September

22°C

15°C

63 %

Additional weather tips

Max wind speed: 24.0 km/h

to get more detailed weather forecasts along your route

Comments

March 26, 2022,Uxbridge to Rickmansworth - LOOP section 12 and more

Planned to walk the LOOP sections 12 & 13 but we enjoyed the canal so much we stuck to it until Rickmansworth. Beautiful stretch of the Grand Union with plenty of locks and a few lovely country pubs. Really enjoyed this.

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Denham Deep Lock – Springwell Reedbed loop from Harefield

Denham Deep Lock

Coy Carp Pub and Kayak Spot on the Grand Union Canal

Grand Union Canal – Clear Water and Aquatic Plants

Springwell Reedbed

Grand Union Canal at Springwell Lane

Stocker's Lake Bird Hide

Stocker's Lock and Stone Bridge

Weir at Towpath Bridge No. 177B

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