Woolwich: Foot Tunnel 
Description
The unloved sibling of the Greenwich Foot Tunnel, this crossing links Woolwich town centre to North Woolwich on the opposite bank - providing pedestrians with an alternative route when the free Woolwich Ferry isn't running. There's about 100 steps down (and back up when the lifts aren't working), with the tunnel itself being about a 1/4 of a mile long. When I visited the tunnel was busy as the ferry wasn't operating and I passed about five other people using it!
Charge
Free
Getting There
From the centre of Greenwich the 177 bus runs regularly to the tunnel entrance in Woolwich (every 8-12 minutes, about 20 minutes). Alternatively regular trains run to Woolwich Arsenal station (4 trains an hour, about 15 minutes) from where it's about a 10 minute walk to the tunnel entrance.Latitude: 51.494324; Longitude: 0.062883
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