Knocking Hoe National Nature Reserve

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Overview
Knocking Hoe NNR is an area of species-rich chalk grassland near the village of Pegsdon at the northern end of the Chilterns. The site is of exceptional importance because it supports large populations of a number of rare plants. The star rarities at Knocking Hoe include: moon carrot, spotted catsear, field fleawort, burnt tip orchid and Pasque flower. The site is also of archaeological interest, with a prominent strip lynchet field system, dating from the Middle Ages, on the slopes of the hill. In summer, colourful wildflowers cover the chalk grassland, including horseshoe vetch, small scabious, rock rose and clustered bellflower. The site is also well known for its population of the orchid autumn lady’s tresses, which has been studied continuously on the reserve for 50 years. Various downland butterflies can be seen at Knocking Hoe in summer, including the common blue, chalkhill blue and brown argus.
About the area
As Hertfordshire is so close to London, many of its towns have become commuter havens. St Albans, less than 19 miles (30km) from the capital, has retained its distinctive character, along with many historic remains.
Area image

Knocking Hoe National Nature Reserve

Recommended by Visit England Logo
Overview
Knocking Hoe NNR is an area of species-rich chalk grassland near the village of Pegsdon at the northern end of the Chilterns. The site is of exceptional importance because it supports large populations of a number of rare plants. The star rarities at Knocking Hoe include: moon carrot, spotted catsear, field fleawort, burnt tip orchid and Pasque flower. The site is also of archaeological interest, with a prominent strip lynchet field system, dating from the Middle Ages, on the slopes of the hill. In summer, colourful wildflowers cover the chalk grassland, including horseshoe vetch, small scabious, rock rose and clustered bellflower. The site is also well known for its population of the orchid autumn lady’s tresses, which has been studied continuously on the reserve for 50 years. Various downland butterflies can be seen at Knocking Hoe in summer, including the common blue, chalkhill blue and brown argus.
About the area
Area image
As Hertfordshire is so close to London, many of its towns have become commuter havens. St Albans, less than 19 miles (30km) from the capital, has retained its distinctive character, along with many historic remains.