Alpe d’Huez is located in the Department of l’Isère. The main resort is located at 1860 metres with a top elevation of 3330 metres. The lowest elevation 1120m making the 2210 meters vertical drop. One major resort connecting with 4 smaller ones, Auris, Oz, Vaujany and Villard Reculas, totaling with 125 trails for 220km of skiing served by 82 lifts with a 90,000 people per hour capacity. Alpe d’Huez offers summer skiing on it’s glacier generally until August.
Here is a ski map from the Winter 1995-96. Note the smaller map indicates time of lifts in order to help people not get strander on the wrong village.