Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Tokey Menchu, located near Thimphu in Bhutan's highlands, is a ferruginous hot spring whose iron-rich reddish waters are considered sacred in Bhutanese Buddhist tradition. Like many of Bhutan's menchu (mineral water springs), Tokey is visited by pilgrims seeking purification and well-being, with the iron-laden waters part of a long thermal tradition. The spring's forested valley setting within Bhutan's protected landscape reflects the kingdom's integration of geothermal resources into both spiritual practice and the conservation ethos of Gross National Happiness.
Insider tip — Tokey Menchu is a sacred hot spring in Bhutan's Thimphu valley, used for centuries in traditional Bhutanese medicine known as Sowa Rigpa. The sulfurous waters emerging from Himalayan granite are considered purifying, and monks still bless the site during Losar, the Bhutanese New Year. Altitude at approximately 2300 metres means the air is crisp and the surrounding blue-pine forests fragrant, adding to the meditative atmosphere. Visitors should dress modestly and observe quiet hours as the spring retains strong religious significance.