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Warburton Wood Point Rd
VIC 3799
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G31 - Diversion Tunnel. A narrow meander spur exposes beds of Norton Gully
sandstone that strike north-north-west. A diversion tunnel links the river channel through
the neck of the spur although flow is still maintained around the meander loop. The tunnel provides clear exposure of the bedrock of the Upper Yarra Valley. An example of
rock bending due to soil slumping can be seen on the western tunnel portal. The tunnel was dug by miners to lower the bed of the Yarra to make working the alluvial gold easier.