Wildlife reserves · East of England
Hanningfield Reservoir
In or near Rettendon.
Hanningfield Reservoir — lake in the United Kingdom.

Wikimedia Commons contributors — see linked file page for photographer and licence licence
Plan your visit
- Typical visit
- 2 h–4 h
- Best time of year
- Autumn & winter (migration & wildfowl)
- Nearest railway station
- Wickford · 5.0 km
- Free entry
- Family-friendly
- Dog-friendly
- Limited wheelchair access
Getting there & planning your visit
Hanningfield Reservoir is located in Chelmsford, Essex, with the postcode CM3 8HP. The nearest railway station is Wickford, approximately 5 km away. Entry to the reserve is free, but wheelchair accessibility is limited.
About
Hanningfield Reservoir is a wildlife reserve in the United Kingdom. It covers approximately 400 km². Heritage designation: Site of Special Scientific Interest. Managed by Essex Wildlife Trust. Wikidata describes it as: "lake in the United Kingdom". Coordinates: 51.6583°, 0.5042°.
Photo gallery
Summary from the official site
Hanningfield Reservoir Nature Discovery Park is a nature reserve located near Chelmsford, offering a variety of wildlife experiences and beautiful views. Visitors can explore nature trails, enjoy birdwatching, and participate in various outdoor activities throughout the year.
Read more on the official property page.
Protected designations
- Site of Special Scientific Interest: Hanningfield Reservoir SSSI
Designations sourced from Natural England open data under OGL v3.
From the Wikipedia article
Hanningfield Reservoir is a large 25,500-million-litre (900,000,000 ft3) pumped storage reservoir located between Billericay and Chelmsford in Essex. It has a surface area of 352 hectares (870 acres) and is owned and operated by Essex and Suffolk Water. The reservoir is part of a 402.9 ha (996 acres) biological Site of Special Scientific Interest. The site is also owned by Essex and Suffolk Water and is run by them in conjunction with the Essex Wildlife Trust. The reservoir is covered by a Bird Sanctuary Order.
Excerpt from Wikipedia under CC BY-SA 4.0. See the source article linked in Sources below.
Background
Description
Hanningfield is the 11th largest reservoir in England with an area of . The Hanningfield scheme was a joint venture by the South Essex Waterworks Company and the Southend Waterworks Company. The reservoir was built in an area known as Sandon Valley, construction was started in 1951 and entailed flooding an area of South Hanningfield covering the ancient hamlet of Peasdown. Giffords Farm and Fremnells Manor were also demolished. The reservoir was completed by W. & C. French in 1957 at a cost of about £6m; the reservoir took 200 days to fill with water. The dam is 2088 m long. It is an earth dam with a core of puddled clay, the inner wall is concreted to mitigate erosion by wave action. The…
Sourced from Wikipedia under CC BY-SA 4.0.
- Coordinates
- 51.6583, 0.5042
- County
- Essex
- District
- Chelmsford
- Parish
- South Hanningfield
- Postcode
- CM3 8HP
- Parliamentary constituency
- Maldon
- Phone
- 01268 711001
- Nearest railway station
- Wickford — 5 km
- Opening
- Open all year round; Winter 9:30am-4pm, Summer 9:30am-5pm; closed 25-26 Dec
- Official site
- www.essexwt.org.uk
Sources
- wikidata: Q5649193 (CC0)
- wikipedia: Hanningfield Reservoir (CC BY-SA 4.0)
- commons: Hanningfield Reservoir (1878006637).jpg (CC BY-SA 4.0)
Other places nearby

South Hanningfield village sign
Public art & sculpture · 1.2 km

West Hanningfield
Villages · 1.2 km

South Hanningfield
Villages · 1.3 km

West Hanningfield village sign
Public art & sculpture · 1.4 km

Hanningfield Reservoir Visitors' Centre
Reservoirs & lochs · 1.5 km

Crowsheath Wood
Wildlife reserves · 2.1 km

Rettendon
Towns & cities · 3.2 km

Downham War Memorial
Memorials & monuments · 3.2 km

Ramsden Heath village sign
Public art & sculpture · 3.2 km

Stock Windmill
Windmills · 3.3 km

Stock Tower Mill
Windmills · 3.5 km

Stock village sign
Public art & sculpture · 4.1 km
Nearby
Public art & sculpture · East of England
South Hanningfield village sign
South Hanningfield village sign — a public art in england-east, United Kingdom.
Public art & sculpture · East of England
West Hanningfield village sign
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Hanningfield Reservoir Visitors' Centre
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Crowsheath Wood
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Frequently asked questions
- Where is Hanningfield Reservoir?
- Hanningfield Reservoir is in Essex, East of England, United Kingdom (postcode CM3 8HP), in the parish of South Hanningfield.
- What is Hanningfield Reservoir?
- Hanningfield Reservoir — lake in the United Kingdom.
- How do I get to Hanningfield Reservoir?
- The nearest railway station is Wickford, about 5.0 km away. Drivers can use postcode CM3 8HP.
- Who runs Hanningfield Reservoir?
- Hanningfield Reservoir is operated by Essex Wildlife Trust.
- Is Hanningfield Reservoir a listed building?
- Hanningfield Reservoir is officially recognised as Site of Special Scientific Interest listed.
- Is Hanningfield Reservoir a protected site?
- Yes — Hanningfield Reservoir is part of the Hanningfield Reservoir SSSI Site of Special Scientific Interest.
- Is Hanningfield Reservoir free to visit?
- Yes, Hanningfield Reservoir is free to enter.
- How do I get to Hanningfield Reservoir?
- The nearest railway station is Wickford, about 5.0 km away. Drivers can navigate to postcode CM3 8HP.