Why do many hindus regard the ganges river as holy?

Many Hindus regard the Ganges River as holy due to its association with various deities, particularly the goddess Ganga, who is believed to purify sins and grant salvation. The river is seen as a sacred space for rituals, including bathing, which is thought to cleanse the soul and body. Additionally, the Ganges is integral to Hindu cosmology and mythology, symbolizing life, fertility, and the cycle of birth and rebirth. Pilgrimages to the river, especially during religious festivals, further reinforce its spiritual significance.