La Porte de Mycenes is Located on the yellow marked and well maintened trail in the Chaos de Montpellier-le-Vieux. This is a private park and a fee is charged at the park entrance. A hiking map about the main trail and major attraction is included with park fee. The park is located 18 km east of the city of Millau and well signed along road D11O. This arch and 64 others was visited during the Grands Causses Tour of the 1999 NABS France convention. IGN topographic map 2641 west Millau pleat B5.