Tewin is an English village and civil parish in Hertfordshire, England between the towns of Welwyn Garden City, Stevenage, Welwyn (village) and the county town Hertford, it is within commuting distance of London. Tewin Wood is a very affluent residential area in Tewin and ranked amongst the most expensive streets in the UK with average property prices in most streets well in excess of £1.5 million.
Wormley-Hoddesdonpark Wood North is a 143.9-hectare (356-acre) woodland area in Hertfordshire which has been designated as a biological site of Special Scientific Interest. The site is listed as Grade 1 in A Nature Conservation Review, and is also designated a Special Area of Conservation. It is in Hoddesdon in the borough of Broxbourne, but part of the site is in East Hertfordshire.
Herts and Middlesex Wildlife Trust manages over 40 nature reserves covering nearly 810 hectares north of London, in Hertfordshire and the historic county of Middlesex, part of which is divided between the London boroughs of Barnet, Enfield, Harrow and Hillingdon. It has over 21,000 members, and is one of 46 Wildlife Trusts across the UK. It is a Registered Charity, with its Registered Office in St Albans, and had an income in the year to 31 March 2014 of over £1.5 million.
Old Park Wood is a 16.7-hectare (41-acre) Site of Special Scientific Interest in Harefield in the London Borough of Hillingdon. The south-east part is an 8-hectare (20-acre) nature reserve owned and managed by the Hertfordshire and Middlesex Wildlife Trust.
Balls Wood is a 58.5-hectare (145-acre) nature reserve managed by the Herts and Middlesex Wildlife Trust in Hertford Heath in East Hertfordshire. The wood was purchased by the Trust from the Forestry Commission.
Hertford Heath nature reserve is a 28 hectare biological Site of Special Scientific Interest in Hertford Heath in Hertfordshire. It is managed by the Herts and Middlesex Wildlife Trust and the local planning authority is East Hertfordshire District Council.
Thorley Wash or Thorley Flood Pound is a 17.3-hectare biological Site of Special Scientific Interest in Thorley, south of Bishop's Stortford in Hertfordshire. It was formerly a flood pound for the Stort Navigation, which was decommissioned in 2004 and converted to a more natural state. It was purchased by the Herts and Middlesex Wildlife Trust from the Environment Agency in 2011.
Tewinbury is a 7.5-hectare (19-acre) biological Site of Special Scientific Interest near Tewin in Hertfordshire. The local planning authority is East Hertfordshire District Council, and the site is managed by the Herts and Middlesex Wildlife Trust
Pryor's Wood is an 8.7-hectare (21-acre) nature reserve in Great Ashby, near Stevenage in Hertfordshire. It was formerly managed by the Herts and Middlesex Wildlife Trust (HMWT). In February 2016 HMWT announced that three sites, Barkway Chalk Pit, Hill End Pit and Pryor's Wood, which HMWT managed on behalf of their owner, North Hertfordshire District Council, were to return to Council management as the Trust was no longer able to meet the cost.
Hill End Pit is a 0.7-hectare (1.7-acre) nature reserve on the site of a former chalk pit, in St Paul's Walden in North Hertfordshire. It was formerly managed by the Herts and Middlesex Wildlife Trust (HMWT). In February 2016 HMWT announced that three sites, Barkway Chalk Pit, Hill End Pit and Pryor's Wood, which HMWT managed on behalf of their owner, North Hertfordshire District Council, were to return to Council management as the Trust was no longer able to meet the cost. It has the largest colony of Azeca goodalli snails in Hertfordshire. Plants include viper's bugloss, cowslip and marjoram, there are butterflies such as common blue and gatekeeper, and many birds including woodpeckers.
Stocking Springs Wood is a 1.1-hectare (2.7-acre) nature reserve between Ayot St Lawrence and Ayot St Peter in Welwyn Hatfield district in Hertfordshire. It is managed by the Herts and Middlesex Wildlife Trust.
Hilfield Park Reservoir is a 76.3 ha construction built in 1953 between Bushey and Elstree in Hertfordshire, and owned by Affinity Water. Declared a Local Nature Reserve (LNR) in 1969, it is managed by the Herts and Middlesex Wildlife Trust (HMWT). It is the oldest LNR in Hertfordshire.
Oughton Nature Reserve in Hitchin in Hertfordshire is managed by the Herts and Middlesex Wildlife Trust. The 6.2-hectare site on the north bank of the River Oughton is not publicly accessible, but it can be viewed across the river from Oughtonhead Common.
King's Meads is a nature reserve between the towns of Hertford and Ware in Hertfordshire. It is managed by the Herts and Middlesex Wildlife Trust, and with an area of 96 hectares it is the largest of the Trust's reserves. The site has been registered by the Trust as Common land, but the registration for some areas was disallowed due to objections.
Fir and Pond Woods is a 29 hectare nature reserve in Potters Bar in Hertfordshire. It is managed by the Herts and Middlesex Wildlife Trust. It is two separate woods, with Fir Wood connected by a short footpath to the large Pond Wood to the south.
Hawkins Wood is a 10 hectare nature reserve south of Therfield in Hertfordshire. It is managed by the Herts and Middlesex Wildlife Trust.
Gobions Wood is a 36 hectare nature reserve managed by the Herts and Middlesex Wildlife Trust in Brookmans Park in Hertfordshire. The site was formerly owned by the Gobions Woodland Trust, a registered charity which was closed down in 2013 because it had ceased to exist.
Longspring Wood is a 1.2-hectare (3.0-acre) nature reserve managed by the Herts and Middlesex Wildlife Trust in Kings Langley in Hertfordshire.
Danemead is a 5.6-hectare nature reserve west of Hoddesdon in Hertfordshire, managed by the Herts and Middlesex Wildlife Trust. It is part of the Wormley-Hoddesdonpark Wood North Site of Special Scientific Interest.
