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Hiking trails & Routes

South East England

Buckinghamshire

Denham Deep Lock – HS2 Colne Valley Viaduct loop from Frays Farm Meadows

Hiking trails & Routes

South East England

Buckinghamshire

Denham Deep Lock – HS2 Colne Valley Viaduct loop from Frays Farm Meadows

Easy

29

hikers

Denham Deep Lock – HS2 Colne Valley Viaduct loop from Frays Farm Meadows

01:33

6.18km

10m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 18, 2026

Waypoints

A

Start point

Parking

Get Directions

1

606 m

Denham Deep Lock No. 87 and Frans Tea Garden

Highlight • Structure

Ice Creams!

Tip by

2

635 m

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

3

980 m

Grand Union Canal & Pine Valley Trail Junction

Highlight • Trail

The Grand Union Canal is a cyclist's dream. Running from London to Birmingham, it's always there to help out if you get lost or need a flat route going north …

Tip by

4

1.05 km

Denham Bridge (Bridge 182)

Highlight • Bridge

5

3.09 km

Widewater Lock No. 86 and Moorhall Road Bridge No. 180

Highlight • Bridge

6

3.52 km

Narrowboat Moorings on the River

Highlight • Structure

7

3.66 km

HS2 Colne Valley Viaduct

Highlight • Bridge

Currently under construction, this will be the viaduct that carries the HS2 train from London towards Birmingham and beyond at some point (currently sometime in the early 2030s, but we all know how rail projects go with time lines).

Tip by

8

4.26 km

Denham Railway Viaduct

Highlight • Structure

B

6.18 km

End point

Parking

Way Types & Surfaces

Way Types

5.13 km

914 m

106 m

Surfaces

5.13 km

993 m

< 100 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Saturday 9 May

13°C

6°C

2 %

Additional weather tips

Max wind speed: 23.0 km/h

to get more detailed weather forecasts along your route

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

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