At Nannup I had my last look at the Blackwood River before heading further east. As noted in an earlier blog, upstream from Nannup the river is seasonal and the riverside vegetation is salinity-affected and less healthy and extensive: I wasn’t keen to see the difference. when I passed through Nannup the Blackwood was a small creek (see the previous blog photo of Nannup’s timber railway bridge that spans the river). Near the river there are some signs pinned to a tree that indicate previous flood levels. “Shivers”, I thought, “1946 was a huge flood” (first photo). It wasn’t until I read the nearby sign that I realised there were two more flood levels way up in the tree. It was hard to reconcile that the creek close by could become a raging torrent twenty metres higher than its current benign summer trickle: like salinity, another consequence of catchment clearance.