That part where Bhagirathi-Ganga flows northwards is known as the union of heaven, Earth, and the nether regions. Fasting for one month and bathing in that sacred Tirtha which is acceptable to Maheshvara, one can see the deities.
यत्र भागीरथी गङ्गा पतते दिशमुत्तराम्। महेश्वरस्य त्रिस्थाने यो नरस्त्वभिषिच्यते॥ एकमासं निराहारः स पश्यति हि देवताः।