South Walsham Fen is a 1.4-hectare (3.5-acre) Local Nature Reserve west of South Walsham in Norfolk.

It is owned and managed by Norfolk County Council.

[1][2] This nature reserve has semi-improved grassland and species-rich hedges which mark an ancient track.

There are also areas of bracken[1] and ancient woodland.

[3] There is public access to the site.