Morden is a London Underground station in Morden in the London Borough of Merton. It is the southern terminus of the Northern line, and is the most southerly station on the Underground network. It is located on London Road, and is in Travelcard Zone 4. Nearby are Morden Hall Park and Morden Park. The next station towards North London is South W…Morden is a London Underground station in Morden in the London Borough of Merton. It is the southern terminus of the Northern line, and is the most southerly station on the Underground network. It is located on London Road, and is in Travelcard Zone 4. Nearby are Morden Hall Park and Morden Park. The next station towards North London is South Wimbledon.