The Cerro Chirripo is a 12 mi trail that starts in Rivas, Costa Rica and ends in Lagos de las Morrenas, Costa Rica. The trail is considered to be easy to hike and has a total elevation gain of 8180 ft. Normally the trail takes 1 day to complete but can be finished in less than a day. Either you are not allowed to bring your dog on the Cerro Chirripo or it is generally not advised. The warmest months are March, April, and May and the coldest months are March, April, and May. The wettest months are September, October, and November and the driest months are December, January, and February.Photo Credit:Domingo arriaga naboMariordo