The Lake Muir - Unicup system is a complex landscape of valley floor wetlands, from fresh
water to primary saline lakes. Lake Unicup supports variable vegetation that includes flooded gum, sandplain Banksia and yate woodland, wet heaths and sedgelands. Lake Unicup is ideal for bird watching, as there are many species of wetland birds in this area. During the winter months when the rain fills the lake, it reaches an area of 200ha.