GeoGraph - photograph every grid square

The mouth of the river is always livelier than the upstream sections, because the water that has gone through the turbines of the power station NG5152 : Storr Lochs Hydro Power Station has rejoined it here.
The warning sign is to be taken seriously. Crossing the river to head north up the coast holds a bit of a risk. If the sluices are opened on the dam above the river can become un-fordable, and there is no easy alternative route out other than by boat.