Calthorpe_Broad
Calthorpe Broad is a 43.5-hectare (107-acre) biological Site of Special Scientific Interest east of Stalham in Norfolk.[1][2] It is a Nature Conservation Review site, Grade I[3] and a national nature reserve.[4] It is also part of the Broadland Ramsar site[5] and Special Protection Area,[6] and The Broads Special Area of Conservation.[7]
This broad has diverse fauna and flora. Water plants include mare's-tail, water violet, blunt-leaved pondweed, spiked water-milfoil, floating scirpus, yellow water-lily and the nationally scarce water soldier.[8]
The site is private land with no public access.