The Brahmaputra Beach Festival coincides with Magh Bihu, the Assamese harvest festival. This festival is held on the beautiful, white riverine beaches of the river Brahmaputra and provides a scintillating outdoor experience. During this festival, various contests like elephant race, kite flying and modern adventure sports like wind surfing, rafting, canoeing, kayaking, para-dropping, hot air ballooning, and volleyball are held at the beach.

Dehing Patkai Festival derives its name from the lofty Patkai range and the playful Dehing river. This festival is organized in the month of January every year in the eastern Assam. In this festival, the ethnic fairs, golf, tea heritage tours, adventure sports, wildlife excursion and trips to World War II cemeteries and the Stilwell Road, once the passage to the golden land of Myanmar are organized.

The Elephant Festival is organized every year in the month of February at Kaziranga National Park. This festival is organized jointly by the Forest Department and Tourism Department, Govt. of Assam for conservation and protection of Asiatic elephant. The festival includes many activities by domestic elephants and various cultural programmes.

Rongali Utsav Festival is celebrated in the month of April at Srimanta Sankardeva Kalakshetra, Guwahati. This festival is celebrated by the numerous communities, tribes and sub-tribes inhabiting the banks of the mighty Brahmaputra to welcome the onset of the spring season.

Ambubachi Fair is the most important fair which is held held every year during monsoon (mid-June). This festival is held at the Kamakhya temple of Guwahati. It is a common belief that Kamakhya, or the mother Shakti goes through her annual cycle of menstruation during this period. During this fair, the doors of the temple remains closed for three days as it is believed that the earth becomes impure. During this time no farming work is undertaken and daily worship and other religious performances are suspended. After three days, the temple doors are reopened and the goddess is given bath and other rituals are performed. The devotees can enter inside the temple for worship. It is believed that the mother earth regains her purity now. It is celebrated with 'Tantric rites'. Thousands of devotees from all over India visit this fair.

The Majuli Festival is celebrated on the banks of the Luit river in Majuli, which is located in a backdrop of immense scenic beauty. During the festival, special events, cultural programmes are organized in which the various traditional and classical cultural troupes of Assam and troupes from rest of the country participates. A grand exhibition cum sale is also organized where the artists and experts demonstrate various Assamese products specially designed and prepared by them like tribal garments, handicrafts, traditional pottery items, valuable items made of bamboo and cane. The Assamese and tribal dishes of Majuli are also made available, and food festival is also organized during this time.

Jonbeel Fair, the spectacular fair is held every year during winter at Jonbeel of Jagiroad, a lesser known township only 32 kms from Guwahati. A few days before the fair, tribes like the Tiwas, Karbis, Khasis, Jaintias from the Meghalaya hills gather here with their various products. During this fair, a big bazar is held where these tribes exchange thier products with local people in barter system which is very rare in a civilized modern society. Before the fair, they perform fire worship or agni puja for the well being of mankind. The 'govaraja' or the king of the Tiwa tribe along with his courtiers also visit this fair and collect taxes from his subjects. The significant point of this fair is its theme of harmony and brotherhood among various tribes and communities. Various tribes and communities perform their traditional dances and music to celebrate the fair.