Walk Map Rudder Harriett of Bristol Head on Falling tide Touchdown Swans landing Tiller in the reeds Envoy The Boot Bridge at Purton Bollard & Butterfly Rhondda river falls Tramway to the boiler Erosion Waterworks Watermain Tunnel approach RUDC Inside the tunnel entrance Metal plates Inclined pipe Tunnel through the spoil heap Distant bolier Watermain under the tip Watermain tunnel Craig Blaenrhondda Mine adit Mine adit (once?) Tightrope walking Concrete covered pipe Coldra Rd Tramway tunnel View towards Blaencwm Tunnel Exit Changes....