Claimed to be the deepest canyon in the world at more than 1km from cliff-edge to river bottom, the COLCA CANYON may be an impressive sight but is actually estimated to be 170m less deep than its more remote rival, the Cotahuasi Canyon. Both of these canyons are among several in the world that claim to be the biggest or deepest on the planet, depending on exactly how you measure them. In places the canyon’s sides are so steep that it is impossible to see the valley bottom, while the higher edges of Colca are punctuated with some of the finest examples of pre-Inca terracing in Peru, attributed in the main to the Huari cultural era. Craggy mountains, huge herds of llamas and traditionally dressed Andean peasants complete the picture.
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The canyon was formed by a massive geological fault between the two enormous volcanoes of Coropuna (6425m) and Ampato (6318m): the Río Colca forms part of a gigantic watershed that empties into the Pacific near Camana. Despite being one of Peru’s most popular tourist attractions, the area’s sharp terraces are still home to more-or-less traditional Indian villages. To the north of Colca, meanwhile, sits the majestic Mismi Nevado, a snow-capped peak that belongs to the Chila mountain range, and which, according to National Geographic, is the official source of the Amazon River; long the subject of argument and speculation, the precise location of the source was finally pinpointed in 2000 by a five-nation National Geographic Society expedition using cutting-edge GPS navigational equipment. The team, headed by 46-year-old maths teacher Andrew Pietowski, identified a spot on Nevado Mismi – a 5597m-high mountain in southern Peru.
Francisco Pizarro’s brother, Gonzalo, was given this region in the 1530s as his own private encomienda (colonial Spanish landholding) to exploit for economic tribute. In the seventeenth century, however, the Viceroy Toledo split the area into corregimientos that concentrated the previously quite dispersed local populations into villages. This had the effect of a decline in the use of the valley’s agricultural terracing, as the locals switched to farming the land nearer their new homes.
The corregimientos created the fourteen main settlements that still exist in the valley today, including Chivay, Yanque, Maca, Cabanaconde, Corporaque, Lari and Madrigal. Most of the towns still boast unusually grand, Baroque-fronted churches, underlining the importance of this region’s silver mines during the seventeenth and eighteenth centuries. During the Republican era, Colca’s importance dwindled substantially and interest in the zone was only rekindled in 1931 when aerial photography revealed the astonishing natural and man-made landscape of this valley to the outside world – particularly the exceptionally elaborate terracing on the northern sides of bordering mountains.
Hats in the Colca Canyon
The indigenous communities of the Colca Canyon form two distinct ethnic groups: the Aymara-speaking Collaguas and the Quechua-speaking Cabanas. Traditionally, both groups used different techniques for deforming the heads of their children. The Collaguas elongated them and the Cabanas flattened them – each trying to emulate the shape of their respective principal apu (mountain god). Today it is the shape of their hats (taller for the Collaguas and round, flat ones for the Cabanas), rather than heads, which mainly distinguishes the two groups.
Mirador Cruz del Condor
The Mirador Cruz del Condor is the most popular point for viewing the canyon – it’s around 1200m deep here – and you can almost guarantee seeing several condors circling up from the depths against the breathtaking scenery. The condors are best spotted from 7 to 9am; the earlier you get there the more likely you are to have fewer other spectators around. These days it’s a popular spot, and most mornings there will actually be more tourists here than in the Plaza de Armas in Arequipa. For safety’s sake, stand well back from the edge.
The gateway to the Mirador, the settlement of Pinchollo has a small museum and a tourist information office with photos and a model representing the canyon.
Trekking in and around the Colca Canyon
There are dozens of trekking routes in the Colca Canyon, but if you’re planning on descending to the canyon floor, even if just for the day, it’s best to be fit and prepared for the altitude – it’s tough going and becomes quite dangerous in sections. Make sure to check whether oxygen is provided by your tour operator – even a bus trip to Chivay can bring on mountain sickness if you’ve only recently arrived from sea level. If you start trekking from Cabanaconde, or visit this town beforehand, it is worth visiting the tourist information centre and also checking out the cost of guides, arrieros (muleteers) and mules.
Treks from Cabanaconde
Mirador Achachina Walk A fifteen-minute stroll from the plaza in Cabanaconde takes you past the bullring to the Mirador Achachina, a good spot for spotting condors and viewing the western end of the valley from above.
Basic Colca Trek The start of the classic route from Cabanaconde to the bottom of the Colca Canyon can be reached just ten minutes’ walk along a fairly clear track beyond the newly constructed Casa de Pablo hostel, itself a five-minute walk from the plaza. The descent from here follows an incredibly steep path, quite dangerous in parts, down to the Oasis, a rustic lodge and campsite right in the bottom of the canyon; it takes one and a half to two hours to descend and four or five to get back up. Many people stay the night.
The Tapay Trail This well-used trekking route connects Cabanaconde with the small settlement of Tapay via the Oasis. It is a two- to four-day return hike through fine scenery, immense canyons, tiny hamlets like Cosñirhua (2350m) and Malata as well as various Inca and pre-Inca ruins. Save for the aforementioned campsite – which you’ll pass on the first morning – there are no facilities at all in the area.
Cabanaconde to Lake Mucurca There is a popular eight-hour hike from Cabanaconde that culminates at Lake Mucurca (4000m). At its end point the astonishingly beautiful Ampato volcano is reflected in the lake’s crystalline waters.
The Ampato Trail From Lake Mucurca the adventurous, fully acclimatized and well prepared can trek all the way around snowcapped Ampato (four to six days). The Ampato Trail has one very high pass – around 4850m at the crossing of two trails on Cerro Quenahuane, above the Quebrada Condori – and most of the walking is at over 4200m. Local guides are a good idea and you will need food and camping equipment. Be prepared for snow and ice; the weather can change very fast. On the last downhill leg of the trek you can choose to follow trails back to Achoma, Maca or Cabanaconde.
The Colcas de Chichinia trek
A relatively easy two-hour walk from the village of Corporaque (15min by car or bus from Chivay, on the opposite side of the Colca Canyon to Maca and the Mirador Cruz del Condor), takes in the Colcas de Chichinia, a semi-intact set of pre-Inca Huari tombs; today they lie today exposed at the foot of the cliffs on Cerro Yurac Ccacca (also known as Cerro San Antonio). A path leads out a couple of blocks just below the plaza in Corporaque, crossing the stream as you leave the settlement behind and climbing steadily towards a prominent, pink rocky outcrop. Because it’s little visited, the entry path to the site isn’t marked and more or less leaves you to find your own route; given this, it’s important to take care not to damage the stone walls and agricultural plots you have to find your way through.
The tombs are just below the 4000m contour line where several overhangs have been partially filled in with stone as permanent thrones for pre-Inca mummies, placed here ceremoniously to spend eternity watching over the valley and gazing east towards several sacred mountain peaks. These days, after the ravages of time and grave-robbers, all that is left of the mummies are skulls and skeletons, some with hair and a few with remnants of the rope and cloth they were originally wrapped in.
To the southwest, a partly tumbled down, but still impressive Huari village can be clearly seen stretching from the tombs down to a major tambo-style (Quechua for house or resting-place) building on the bottom corner, which commands views around the valley. To get back to Corporaque, you can either drop down to the road and trace this back up to the settlement, or go along the small aqueduct that follows the contour of the hill from the tambo back to where you started.