I recomend Carlos Zarate as a good guide for climbing in this area. he is from a famous mountainnering company from Arequipa. and has a lot of experience. Is also helpful in providing information. Carlos is planning a climb of Solimana for April this year. He was very helpful in providing me with information for my planned ascent and ski-descent planned for august 2004.
CARLOS ZARATE "AVENTURAS" E.I.R.L.
Calle Santa Catalina 204 Of.3
Telefax: +51 54 263107
This is definitely an outfitter for Arequipa area (Ampato, Coropuna, Chachani, El Misti and others...
We have climbed and skied down Solimana in September 2004 (see http://skicordillera.laviny.cz for more information). Northern side of the mountains is composed of a large glacier plateau from which the summits rise in a semicircular form. This is a better side to climb the mountain from.