Northport Greenway and Sika Trail The Northport Greenway is a 1.5 mile (2.5km) route from Wareham Quay, past the railway station and onto Wareham Forest, where it then links with the Sika Trail - a 7 mile (11km) circular route through heath and forest. If you complete the whole route starting and finishing at Wareham Quay, it is 10 miles.