Belton Hills is a 22 hectare Local Nature Reserve in Leigh-on-Sea in Essex.

It is owned and managed by Southend-on-Sea City Council.

[1][2] This steeply sloping site has large areas of scrub, and there are some rare plant and invertebrates species.

Plants include Deptford pink (flowering June-August) and bithynian vetch (flowering May–June),[3] and a survey in 2001 recorded 667 invertebrate taxa.

[4] There is access to the site from Marine Parade and Belton Way.