C360b Estuary Marshes

Sumner esplanade to the Avon River at Pages Rd. Includes Christchurch Coastal Pathway. Skirts Heathcote and Avon rivers estuary, home to many bird varieties and other wildlife. 19.8 km: 7 to 8 hours to complete. Charlesworth Reserve is a convenient break

At 19.5 km, this is a solid full-day hike. At an average walking pace you can expect to complete the route in roughly 4 hours and 19 minutes.

As a linear trail, this route has distinct start and end points. Return transport is worth arranging in advance unless you plan to walk back the same way. The trail is officially waymarked as C360b, so look out for the trail markers along the way.

This is a Local Walking Network (LWN) trail — a community-level route perfect for exploring the immediate surroundings, popular with locals and visitors alike.