Almaty Lakes & Charyn Canyon
- Big Almaty Lake
- Kolsai Lakes and Kaindy
- Charyn Canyon
A turquoise reservoir at 2,511 metres in the Trans-Ili Alatau, ringed by spruce slopes and peaks above 4,000 metres
Big Almaty Lake sits in a steep-sided basin of the Trans-Ili Alatau, the range that rises directly behind Almaty. The lake is roughly 1.6 kilometres long and up to a kilometre wide, with a shoreline of about 3 kilometres, and it is fed by glacial water. Depending on the season its colour moves between pale green and a deep turquoise, set against dark spruce forest and the snow of the surrounding peaks.
Three summits frame the southern end: Sovetov at around 4,317 metres, Ozyorny at about 4,110 metres and Turist. The level of the lake rises and falls by as much as 20 metres over the year, peaking in August and dropping to its lowest in February, which explains the bare, steep banks visible in some seasons. Because the reservoir supplies Almaty with drinking water, swimming is not allowed and the national park restricts traffic on the mountain road up to it.
The lake lies in a tectonic basin of complex shape, and its water drains from the south side into the Big Almaty River, which flows down a gorge towards the city. It has long served as a source of drinking water for Almaty, and since December 2012 it has fallen within the city's administrative boundaries while remaining part of Ile-Alatau National Park.
Higher above the lake stands the domed Tien Shan Astronomical Observatory. In 2025 the park banned private cars, motorcycles, e-bikes and e-scooters on the road to the lake, citing a steep and narrow route with rockfall risk, accidents, damage to vegetation and the need to protect the city's water supply; in April 2026 officials announced stepped-up patrols and plans for an organised 5.3 kilometre walking trail to the lake.
The lake is one of the landscapes near Almaty that the national tourism board recommends for trekking, and its height keeps the area cool all year. Its role as the city's drinking-water reservoir shapes the rules: rangers patrol the area, swimming is prohibited, and the park asks visitors not to leave the road or damage vegetation.
Most visitors come for the view and a walk along the slopes above the water, photographing the lake against the peaks. With private vehicles banned on the final road, the lake is reached on foot from the upper checkpoint, and the climb through the gorge is part of the outing; walkers and cyclists from the city have traditionally taken around half a day. The Tien Shan Astronomical Observatory higher up is open to the public and offers accommodation for those who want to stay in the mountains.
The lake is at its fullest in August and its lowest in February, and its colour changes through the year. Summer and early autumn, when the road is free of snow, are the usual time to walk up. The altitude keeps temperatures low at any season, so bring warm layers.
Checked against the sources on 31 October 2026. Opening times and fees can change — confirm before you go.
General guidance from our specialists, not official information.
The lake lies about 15 kilometres south of central Almaty, at the head of the Big Almaty River gorge, which runs down towards the city. The Tien Shan Astronomical Observatory stands above the lake, and the peaks of Sovetov, Ozyorny and Turist rise to the south. Medeu and Shymbulak, in the neighbouring valley, and Kok-Tobe hill in the city are other easy trips from Almaty.
This guide was researched from the sources below and reviewed by our team on 31 October 2026. Facts under “Verified information” link to the page they were checked on; travel tips are general guidance. Photos are credited on each image. The ambient recording’s author and licence are shown in the sound player.