Cuicocha Lake Loop

Jan 24, 2025

Acclimating to Ecuador

We arrived at Ecuador‘s Cotacachi-Cayapas National Park for a quick hike around the gorgeous Cuicocha Lake. We unloaded our bus, fresh from trundling up the hillside above Otavalo in the Andean Highlands north of Quito. The park was almost entirely empty on this drizzly Friday in late-January—quiet, moody, and ours to explore.

I’d arrived in Ecuador a few days earlier to join a guided climb of some of the country’s tallest volcanoes. But before the big ascents, we needed a couple of solid acclimation hikes. After pushing to 15,500 feet near the capital, we dialed things back for a bit of “active recovery” — a mellow circuit around Cuicocha Lake’s crater rim.

Arriving at Cuicocha Lake, beneath the Cotacachi Volcano in one of Ecuador's most popular national parks.
Arriving at Cuicocha Lake, beneath the Cotacachi Volcano in one of Ecuador’s most popular national parks.

Single-track and flowers

The hike’s rolling profile involved a gross gain of roughly 2,200′ over 7.5 miles. The route was mostly just gently-sloped dirt single track. Perfect for a family outing or day hike. We hit it counterclockwise … which always feels like the logical move.

I stopped often to photograph the beautiful native flowers. Despite being on the equator, Ecuador still has “seasons” — wet and dry. January was in the heart of the “wet season” and typically considered their winter. Even still, there were plenty of budding flowers, including some wild orchids!

A lopsided star orchid, or epidendrum, growing near the top of its altitude range.  Cuicocha Lake is seen in the background, along with its two forested islands.
A lopsided star orchid, or epidendrum, growing near the top of its altitude range. Cuicocha Lake is seen in the background, along with its two forested islands.
Blueish-green flowers on a puya plant, a species endemic to Ecuador and surprisingly closely related to pineapple plants.
Blueish-green flowers on a puya plant, a species endemic to Ecuador and surprisingly closely related to pineapple plants.
Tillandsia lajensis ... also pineapple-adjacent.
Tillandsia lajensis … also pineapple-adjacent.
Hiking along the rim of the caldera that forms the lake.
Hiking along the rim of the caldera that forms the lake.
Bomarea.
Bomarea.

Guinea Pig Lake

Cuicocha, or Kuykucha, translates to “Lake of Guinea Pigs” or simply “Guinea Pig Lake.” The rodents, known locally as cuy (or kuy in Kichwa), are native to the Andes. They grow quickly and don’t require much food, making them a reliable source of protein in the Andean highlands.

One theory is that the larger of the two islands in Cuicocha Lake resembles a guinea pig. I personally saw it more as a giant capybara, soaking in the water.

Cuicocha Lake sits at the foot of Cotacachi Volcano (not to be confused with the taller Cotopaxi, further south). But the lake itself is a collapsed volcano — a caldera, geologically similar to Oregon’s Crater Lake, complete with islands that formed after the eruption and collapse. The volcano blew apart roughly 3,100 years ago, enriching the region around Otavalo with incredibly fertile volcanic soil.

Our trail circumnavigated the caldera, occasionally coming close to the steep slopes that plunged towards the deep, freshwater lake.

Passing through a tunnel of foliage en route around Cuicocha Lake.
Passing through a tunnel of foliage en route around Cuicocha Lake.
The two island of Cuicocha Lake, with a delightfully narrow straight between them.  One theory of the lake's name is the larger island resembles a guinea pig—a local staple.
The two islands of Cuicocha Lake, with a delightfully narrow straight between them. One theory of the lake’s name is the larger island resembles a guinea pig—a local staple.

Sunshine for the finish

We rounded the backside of the lake, and the trail began to descend. The trail passed into more grassy pasture/farmland. The weather also began to shift towards some sunshine. I’m not sure if Cuicocha Lake affords any views of nearby volcanoes like Cayambe. But we certainly did not have those kinds of sight lines on this moody day.

Nonetheless, this was a chill hike, and definitely worth the trek from cities like Quito or Otavalo.

A horse enjoys rolling pastureland above Cuicocha Lake, with the rugged foothills of Cotacachi Volcano in the background.
A horse enjoys rolling pastureland above Cuicocha Lake, with the rugged foothills of Cotacachi Volcano in the background.
Sunny weather near the denouement of our hike around , with Cotacachi's summit still snagging some clouds.
Sunny weather near the denouement of our hike around , with Cotacachi’s summit still snagging some clouds.

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