We didn't know it at the time but travelling off-trail is prohibited in the park. A ranger got really pissed off when he saw us and almost kicked us out of the park. Fortunately Greg speaks Spanish and was able to calm the guy down.
Other peaks I bagged on this trip include...
Volcán La Malinche, Cofre de Perote, Pico de Orizaba (country highpoint, 3rd highest in North America), Volcán Iztaccíhuatl, Pico de Aguila, Nevado de Toluca, Cerro de Ombugo, Pico de Humboldt, Nevado de Colima, Cerro Tancitaro
Volcán Pacaya, Volcán Tajumulco (country highpoint, 24th most prominent peak on earth), Volcán Concepción, Volcán Tacaná (2nd highest in Central America), Cerro Chemal "La Torre", Cerro Chemal "Cerro los Cuervos", Montañas Peña Blanca, Volcán Santa María, Volcán Atitlán, Volcán Acatenango
Volcán Poás, Volcán Barva, Volcán Irazú, Cerro Chirripó (country highpoint, 36th most prominent on earth), Cerro Terbi, Cerro Buenavista
Trip report with photos and video
The pictures on the main page were taken on this trip. It all went pretty well, except that after a day of peak-bagging I wound up descending the last bit of trail to San Gerardo in pitch dark and rain. I slipped, fell, and smashed my headlamp. This led, for a while, to being forced to feel my way down by crabwalking on all fours--a method of travel that is not recommended in the tropics, and definitely not on a horse trail ...