Gardens Open

It takes a generous person to open their garden to the public for the enjoyment of others. Here lists about 300 gardens open for visiting, some year-round, others by appointment, and be sure to phone ahead.

Downhill Demesne & Hezlett House


The Bishop’s Gate garden – a hidden treasure. Bog garden, well surfaced woodland path and relict arboretum with many rare tree species.  

  • Name:Downhill Demesne & Hezlett House
  • Address:Mussenden Road, Castlerock, BT51 4RP, Co. Derry
  • Phone:048/028 7084 8728
  • Contact:
  • Memberships:NatT
  • Wheelchair Access:Partial