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
Fortifications on the Caribbean Side of Panama: Portobelo-San Lorenzo The Chagres River site includes: Fortifications on the Caribbean Side of Panama: Portobelo-San Lorenzo The fortifications on the Caribbean Side of Panama: Portobelo-San Lorenzo are military constructions, built by the Spanish Empire during the 17th and 18th centuries on the Caribbean coastline of Colón Province in Panama. The ruins are located on the coast of the province of Colón. In view of their cultural importance, the sites have been inscribed by UNESCO in 1980 as a World Heritage Site under Criteria (i) and (iv), with the description, "Magnificent examples of 17th- and 18th-century military architecture, these Panamanian forts on the