North Sulawesi is the most accessible gateway to the island's distinctive wildlife. Tangkoko combines black macaques, tarsiers and hornbills in compact coastal forest, while Bogani Nani Wartabone and Dumoga-Bone protect bigger landscapes for anoa, babirusa and forest birds.
West Sulawesi offers a quieter, less-developed side of the island, with coastal forests, mountain foothills and local birding opportunities. Wildlife access is often best arranged through guides who know the forest edges and community-managed sites.
Central Sulawesi is the island's ecological heart. Lore Lindu is a classic base for montane birding and endemic mammals, while the Togian and Banggai islands extend the experience into coastal forest, mangroves and isolated island habitats.
South and southeast Sulawesi bring together limestone, seasonally dry forest, wetlands and mangroves. Bantimurung-Bulusaraung is an accessible base near Makassar, while Rawa Aopa Watumohai rewards patient visitors with a broad mix of wetland and forest wildlife.