Greenwich Meridian Trail

A long-distance walk that follows the line of the Prime Meridian. Inaugurated in 2009, to coincide with the 125th anniversary of the Greenwich Meridian.

At 396.5 km, this is a demanding long-distance hike that may be split across multiple days. Experienced hikers typically take around 88 hours and 7 minutes to complete it end-to-end.

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 GMT, so look out for the trail markers along the way.

As a Regional Walking Network (RWN) route, this trail is maintained and waymarked at the regional level. It typically connects towns, villages, and natural highlights across the wider area.