Altar is a dramatic extinct volcanic peak in Ecuador, and one of the toughest ascents in the country. The highest summit is known as Obispo.
Sangay and the Altar massif from the summit of Cotopaxi. There is more snow on these peaks than usual. Photo courtesy of Javier Herrera.
Altar - the highest peak of El Obispo, from the south.
We can organise guided expeditions and private ascents of this peak. For details of how to climb the volcanoes of Ecuador please see our guidebooks, which are available in English, Spanish, Polish and French editions, direct from us or from all good bookshops and mountaineering shops.