Laguna Verde, Mountain lake in Nariño, Colombia

Laguna Verde is a lake on the volcanic cone of the Azufral volcano, in the municipality of Sapuyes, Nariño department, Colombia. It lies at the summit, in the mountain area known as the nudo de los Pastos, about twelve kilometres from the municipal seat. Its green colour comes from the sulphur concentrations produced by volcanic activity.

Laguna Verde lies in the volcanic cone of the Azufral volcano, in the mountainous area known as the Nudo de los Pastos, within the municipality of Sapuyes, about twelve kilometres from the municipal seat. It is reached on foot via the El Espino district, or by vehicle along half the route through the municipality of Túquerres. Its green colour comes from the sulphur concentrations produced by volcanic activity.

The lake lies on the summit of the Azufral volcano, in the mountainous area known as the nudo de los Pastos, within the municipality of Sapuyes. Its green colour comes from the sulphur concentrated in the water through volcanic activity, a detail visible to anyone who reaches the cone.

Reaching the lake requires a hike across uneven volcanic terrain, so sturdy footwear is strongly recommended. Weather at this elevation can shift quickly, so bringing rain protection and extra warm layers is a good idea regardless of the forecast.

The green colour comes from sulphur concentrations produced by the volcano's activity, not from the crater lake being dormant. The lake lies on the summit of Azufral, in the mountain area known as the nudo de los Pastos, within the municipality of Sapuyes, about twelve kilometres from the municipal seat.