Starting at the North Greenwich Station, we walk past the iconic O2 Arena, then follow the Thames Path, admiring a number of public art installations along the way. We arrive at the impressive Thames Barrier, a marvel of engineering. From there we join the Green Chain and climb up to Gilbert's Pit viewpoint, a Site of Special Scientific Interest (SSSI) renowned for its unique geology. We then go through Maryon Park, home to a small zoo, and enjoy lunch at the historic Charlton House, surrounded by its expansive parkland. Continuing our walk, we pass through Hornfair Park, before crossing Woolwich Common, a large expanse of green space. The walk concludes at the historic Woolwich Barracks, then finishing with the option of several Woolwich stations. Finish 1600