Mystical systems
Ida and Pingala
Direct answer
Ida and Pingala: Ida and pingala are the two side channels of the yogic subtle body: ida on the left, called lunar and cooling, and pingala on the right, called solar and heating.
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At a glance
- Also called
- ida pingala, ida nadi, pingala nadi, ida pingala sushumna
- Found in
- Mystical Systems
- Related
- Nadi, Sushumna, Pranayama, Subtle Body
Ida and pingala are the two side channels of the yogic subtle body: ida on the left, called lunar and cooling, and pingala on the right, called solar and heating.
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What are ida and pingala?
Yoga's picture of the subtle body has three main channels. Sushumna runs up the centre of the spine. Ida lies to its left and ends at the left nostril; pingala lies to its right and ends at the right nostril. The texts give each a set of qualities. Ida is the moon: pale, cool, inward and restful. Pingala is the sun: red, hot, outward and active.
In ordinary life, the teaching goes, the vital breath moves through one side or the other and the mind swings with it. The aim of hatha practice is to bring the two into balance so that the breath can enter the central channel. The names of the rivers Ganga and Yamuna are given to the pair, with the hidden Sarasvati between them.
On the tree of the hidden arts: Chakras and the breath.
What sets Ida and Pingala apart
The pair is a doctrine of alternation. Unlike the chakras, which are fixed stations, ida and pingala describe a rhythm: the breath is held to favour one nostril and then the other through the day, and a whole branch of lore, svara yoga, reads conduct and timing from which side is open. The goal is not to strengthen either but to still both. Only when neither side dominates, the hatha texts say, does breath pass into the centre.
- Ida: left side and left nostril; moon, pale, cool
- Pingala: right side and right nostril; sun, red, hot
- River names: Ganga for ida, Yamuna for pingala, Sarasvati for sushumna
- Detailed description: Purnananda, Sat Chakra Nirupana, 1577
- Svara yoga text: the Shiva Svarodaya, on reading the breath by nostril
- Nasal cycle: alternating nostril airflow, described by Richard Kayser, 1895
Often mistaken for something else: Sushumna is the single central channel through which awakening is said to travel; ida and pingala are the flanking pair in which the breath ordinarily moves, and whose balance opens the centre.
The story behind Ida and Pingala
Lists of channels appear in the later Upanishads, and the triad of ida, pingala and sushumna is standard in the hatha and tantric texts of the medieval period, among them the Hatha Yoga Pradipika. Purnananda's Sat Chakra Nirupana of 1577 describes their course in detail, and John Woodroffe's English version in The Serpent Power (1919) carried it to Western readers. The familiar drawing of two channels crossing at each chakra like the snakes of a caduceus owes much to modern illustrators.
Why Ida and Pingala matters
The pair explains why hatha yoga gives so much attention to the nostrils: each is treated as the mouth of a channel with a temperament of its own.
How to read Ida and Pingala
Alternate nostril breathing is built on the pair, and teachers use lunar and solar as shorthand for calming and rousing practices.
Ida and Pingala in practice: an example
A practitioner who notices that only the left nostril is clear on waking might say that ida is flowing and choose a quiet task.
Where readings of Ida and Pingala go wrong
The channels belong to a contemplative map and have no counterpart in anatomy; popular equations with the two brain hemispheres are modern guesses.
Sources and editorial method
This entry summarizes the tradition in the Almanac's own words; where no source is listed, it is an editorial summary rather than a primary text, and symbolic readings are named as the tradition's, not as fact.
- Source
- The Great Almanac Dictionary
- Category
- Mystical Systems
- Aliases
- ida pingala, ida nadi, pingala nadi, ida and pingala meaning, ida pingala sushumna
- Last updated
- 2026-09-26
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Common questions
What are ida and pingala?
They are the left and right channels of the subtle body in yoga. Ida is associated with the moon and with cooling, restful qualities; pingala with the sun and with heat and activity. Sushumna, the central channel, runs between them.
Do ida and pingala cross at the chakras?
Many modern diagrams show them spiralling and crossing at each centre. Older descriptions vary: some have them run straight on either side of the spine, others have them curve like a bow or twine around it.
Is there any physical basis for ida and pingala?
No channels of this kind have been found in the body. There is a real nasal cycle, described by the physician Richard Kayser in 1895, in which the two nostrils take turns being more open, and writers often link the teaching to it.
