Izvor Kupica (Kupica Source) is located 309m above the sea level. Kupica is 3 km long stream which flows into Kupa river. You can explore Kupica Source by reaching the village of Mala Lesnica, on the way to Brod na Kupi, then follow the signs to Mala Lesnica. The spring forms a smaller turquoise colour lake with fresh mountain water. This location is part of protected natural habitat.