Donnellys Flat is a campsite located within Tararua Forest Park in the Wairarapa, Wellington region. Positioned along the Donnelly Flat Loop Walk near Mount Holdsworth Road, the site sits beside the Atiwhakatu Stream amid podocarp and broadleaf forest featuring rimu, miro, northern rata, kamahi and beech species. The flat terrain and proximity to the Holdsworth car park make it accessible for families. A picnic area is available nearby, and the loop track connects to the Atiwhakatu Track and Gentle Annie Track. For current camping conditions, facilities and any booking requirements, contact the Department of Conservation directly.