Foxhole Heath is an area of a heathland near the village of Eriswell

Eriswell

Eriswell is a village and civil parish of Forest Heath in the English county of Suffolk.About forty scattered Archaeological finds have been made here, including Bronze Age battle axes, palstaves and rapiers....

 in Suffolk

Suffolk

Suffolk is a non-metropolitan county of historic origin in East Anglia, England. It has borders with Norfolk to the north, Cambridgeshire to the west and Essex to the south. The North Sea lies to the east...

. It has been designated as a Site of Special Scientific Interest

Site of Special Scientific Interest

A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

 for its biological importance.

Its vascular plant flora includes the following species: Slender Cudweed Filago minima, Shepherds Cress Teesdalia nudicaulis, Bird's-foot, Ornithopus perpusillus, Sand Sedge Carex arenaria, Purple Milk Vetch Astragalus danicus, Common Centaury Centaurium erythraea, Sheep's-bit Jasione montana and Larger Wild Thyme Thymus pulegioides.

It has a breeding population of Stone-curlew

Stone-curlew

The Stone-curlews, also known as Dikkops or Thick-knees are a group of largely tropical birds in the family Burhinidae. Despite the group being classified as waders, most species have a preference for arid or semi-arid habitats...

, and this species also uses the site to gather prior to its autumn migration.

The road verge along the south side is included in Suffolk County Council's protected road verges scheme.