Nails or spikes several inches long have been drilled or pounded into rocks in Oregon’s Sandy River. In recent weeks, the nails have ripped open two rafts, including Josh Linn’s 16-foot pontoon raft.

Linn was floating through a dangerous rapid near popular Dodge Park when the nail tore up his boat. But he was lucky and made it to shore where he was able to patch and repair his raft.

Read the rest of the story at