Trekking and Biking Tour in South American

Backpacker Tours - Offers guided hiking trips to different regions in Venezuela.
Hiking Patagonia - Offers five to ten day walking tours of Torres del Paine National Park.
Incaventura trekking Peru, by South America Tours: Adventure tour trekking - The most beautiful and stimulating continent in the world, up close and personal. Whatever excites your imagination - the mysterious ruins of Machu Picchu, the towering mountain peaks of the Andes, the ancient cultures and awesome vistas of Lake Titicaca, the teeming biodiversity of the Amazon jungle, or simply the rich, passionate texture of Latin American daily life - it's all here, often within a day's travel.
Inca Highlands Trek by the Adventure Center - Inca Highlands Trek 16 days from $1950 A wonderfully diverse tour bringing together great scenery, culture, history and fantastic trekking in both Peru & Bolivia. After meeting in Lima , we travel to La Paz Bolivian capital, which is located in a ravine at the edge of the 4200m high Altiplano. We visit Copacabana, Lake Titicaca, the Altiplano, Inca ruins. We go whitewater rafting on the Vilconota River as we acclimatise for the trek. From Mollepata we ascend an ancient Inca trail over the impressive Incachiriasca Pass (4,950m) on the slopes of Nevado Salcantay (6,271m) before descending to join the classic Inca trail for the trek to the most fabled ruins of all - Machu Picchu, the Lost City of the Incas.
Trekking in Ecuador from Piedra Blanca - hiking possibilities from the Piedra Blanca Community Ecotourism Programme in Ecuador. There is much off the beaten track trekking to be found here!