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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

4.6

(8)

hikers

Denham Deep Lock – Springwell Reedbed loop from Harefield

04:54

19.1km

70m

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: May 17, 2026

Waypoints

Start point

Bus stop

Get Directions

1.76 km

The Alders

Forest

2.55 km

Harefield No. 2 Lake

Lake

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

10.9 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

12.8 km

Sunset View of Stocker's Lake

Highlight • Viewpoint

Great photography shot for sunset over the lake

Tip by

14.1 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

17.6 km

Weir at Towpath Bridge No. 177B

Highlight • River

Great looking weir, good to see something different 👍

Tip by

19.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

10.3 km

6.73 km

1.04 km

994 m

< 100 m

Surfaces

13.5 km

2.21 km

1.56 km

1.07 km

585 m

258 m

Elevation

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

Weather

Saturday 18 July

23°C

12°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

Comments

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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

Grand Union Canal – Clear Water and Aquatic Plants

Springwell Reedbed

Grand Union Canal at Springwell Lane

Stocker's Lake Bird Hide

Sunset View of Stocker's Lake

Stocker's Lock and Stone Bridge

Weir at Towpath Bridge No. 177B

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