Mid Colne Valley, Protected valley and natural reserve in Harefield and Denham, United Kingdom
Mid Colne Valley is a protected natural area that spans several hundred acres and connects multiple lakes with the River Colne and the Grand Union Canal. The landscape includes diverse habitats such as lakeshores and meadows that support various animal and plant species.
The area took shape in the second half of the twentieth century when sand and gravel were extracted, creating the lakes that now define the landscape. These former extraction zones gradually transformed into the natural habitats visible today.
The valley serves as a key destination for people interested in watching wildlife and connecting with nature in the area. Visitors come here to experience the diverse habitats and observe species in their natural surroundings.
The area is reachable from several entry points, particularly through footpaths that run alongside the canal and through surrounding routes. Wear sturdy footwear and be aware that certain sections may be wetter or harder to walk during certain seasons.
The site contains Coppermill Down, a rare chalk grassland within Greater London where orchids grow wild and undisturbed. This particular habitat type has largely vanished from the region, making the spot especially valuable for rare plants.
GPS coordinates: 51.59300,-0.49400
Latest update: December 14, 2025 11:02
Denham Film Studios
998 m
Denham Place
2.2 km
Hills House, Denham
2.3 km
Old Park Wood
2 km
Old Rectory Meadows
2.2 km
Church of St Mary, Denham
2.3 km
Church of St Thomas of Canterbury
2.7 km
Church of St Mary the Virgin, Harefield
952 m
Denham Methodist Church
2.6 km
The King's Arms Public House
1.5 km
Entrance Archway To The Harefield Australian Military Cemetery
931 m
The Falcon Public House
2.3 km
Pynesfield Lake
2 km
The Green Man Public House
2.2 km
The Swan Public House
2.2 km
The White Horse Public House
879 m
Australian War Memorial
958 m
Breakspear House
1.7 km
The Tudor Restaurant
2.3 km
Wrango
2.2 km
Almshouses
898 m
Harefield Park
1.6 km
Fayrstede
2.3 km
Wrango Wall And Entrance Gates
2.3 km
Footbridge Across River Colne, To South Of Denham Court
2.1 km
Winton House
2.2 km
Milestone, 17 Miles From London
2.8 km
Milestone, Oxford Road; Denham Green by traffic lights, at jct. with A412 to Rickmansworth
2.8 kmVisited this place? Tap the stars to rate it and share your experience / photos with the community! Try now! You can cancel it anytime.
Discover hidden gems everywhere you go!
From secret cafés to breathtaking viewpoints, skip the crowded tourist spots and find places that match your style. Our app makes it easy with voice search, smart filtering, route optimization, and insider tips from travelers worldwide. Download now for the complete mobile experience.
A unique approach to discovering new places❞
— Le Figaro
All the places worth exploring❞
— France Info
A tailor-made excursion in just a few clicks❞
— 20 Minutes