Swami Sivananda: “The Uttara Marga or Devayana path or Northern path or the path of light is the path by which the Yogins go to Brahman. This path leads to salvation. This path takes the devotee to Brahmaloka. Having reached the path of the gods he comes to the world of Agni, to the world of Vayu, to the world of Varuna, to the world of Indra, to the world of Prajapati, to the world of Brahman.
“They go to light, from light to day, from day to the waxing half of the moon, from the waxing half of the moon to the six months when the Sun goes to the North, from those six months to the year, from the year to the Aditya.
“When the person goes away from this world he comes to Vayu. Then Vayu makes room for him like the hole of a wheel and through it he mounts higher till he comes to Aditya.
“From the moon to the lightning there is a person, not a man (Amanava Purusha), who leads him to Brahman.
“The bright path is the path, to the Devas, Devayana, of the devotees; the bright path is open to the devotees.” (pg. 36, What Becomes of the Soul After Death)