Gomantong Caves in Sandakan, Sabah Borneo - One of the renown caves for birds nest harvesting and located at Gomantong Hill in the lower Kinabatangan area or Gomantong Rainforest Reserve. Consisting of two cave complexes which are Black Cave (Simud Hitam) and White Cave (Simud Putih), these caves have been harvested for the prized birds nest for many years even till today.