Portage trail at Hay Slough No flash player has been set up. Please select a player to play Flash videos. Video not playing? Update your browser or download the video clip Ronnie Evans talks about use of portage trails to avoid dangerous areas, especially in Hay Slough. Process Observed: Thin IceOpen WaterTravel HazardTravel RoutePortage Trail Date Process Observed: Wednesday, March 2, 2011 Galleries: Hay Slough Gallery