Refuge Robert Blanc is a refuge in the Alps located on the route of a popular walk that is roughly how long?
Tour du Mont Blanc The Tour du Mont Blanc or TMB is one of the most popular long-distance walks in Europe. It circles the Mont Blanc massif, covering a distance of roughly 170 km with 10 km of ascent/descent and passes through parts of Switzerland, Italy and France.
GR 14 (Portugal) The GR 14 is a "Percurso pedestre de grande rota" (long distance footpath with standard waymarking) in Portugal, which connects with a corresponding path into Spain. In Portugal, it is known as the Rota dos Vinhos da Europa (European Wine Route), and Portuguese tourist maps mark it as continuing through wine-growing areas of Spain and France to terminate at Strasbourg. As of 2015 it is not included in the list of "E-paths" (international routes) published by the European Ramblers' Association; however, a long-distance route of the same number (GR 14 (Spain), known as the "Senda del Duero" does continue the route into Spain from the border at Salto de Saucelle