Stanborough Reedmarsh is a 3.3 hectare Local Nature Reserve in Welwyn Garden City in Hertfordshire.
It is owned by Welwyn Hatfield Borough Council and managed by the Herts and Middlesex Wildlife Trust.
[1][2] The site is wet willow woodland on the bank of the River Lea.
It is important for water voles and birds such as reed and sedge warblers.
[1] Water figwort, common meadow rue and water chickweed grow along the river bank.