Calthorpe Broad
Template:Short description Template:Use dmy dates Template:Infobox SSSI Calthorpe Broad is a Template:Convert biological Site of Special Scientific Interest east of Stalham in Norfolk, England.<ref name=dsv>Template:Cite web</ref><ref name=map>Template:Cite web</ref> It is a Nature Conservation Review site, Grade I<ref>Template:Cite book</ref> and a national nature reserve.<ref>Template:Cite web</ref> It is also part of the Broadland Ramsar site<ref name=broadram>Template:Cite web</ref> and Special Protection Area,<ref name=broadspa>Template:Cite web</ref> and The Broads Special Area of Conservation.<ref name=broadssac>Template:Cite web</ref>
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.<ref>Template:Cite web</ref>
The site is private land with no public access.