River Otter, Devon River Otter, Devon The River Otter rises in the Blackdown Hills just inside the county of Somerset, England near Otterford, then flows south for some 32 km through East Devon to the English Channel at the western end of Lyme Bay, part of the Jurassic Coast, a UNESCO World Heritage Site. The Permian and Triassic sandstone aquifer in the Otter Valley is one of Devon's largest groundwater sources, supplying drinking water to 200,000 people. The river's source is north of Otterford, where a stream feeds the Otterhead Lakes: and then through Churchstanton before entering Devon. The river flows through a
Operational Guidelines for the Implementation of the World Heritage Convention Operational Guidelines for the Implementation of the World Heritage Convention The Operational Guidelines for the Implementation of the World Heritage Convention are a series of instructions to signatory nations regarding the proper implementation of the 1972 Convention Concerning the Protection of the World Cultural and Natural Heritage. The guidelines were adopted by the UNESCO World Heritage Committee at its first session and amended at its second session in 1978. The first text of the Operational Guidelines was titled Operational Guidelines for the World Heritage Committee. It dates back to 1977 at the First Session of the World Heritage Committee (27