The main tribe fighting on the French side was the Algonquians.
The main group fighting on the British side was the Iroquois, or Five Nations, which included the Seneca, Cayuga, Mohawk, Oneida, and Onondaga tribes.
mohawk-English side and
There were tribes from both the Algonkin and Iroquois stocks fighting on both sides. The allegencies to either side were dictated by whomever was that tribe's trading party. The main tribe on the French side were the Hurons, who are Iroquois, but also Ottawas, Ojibways, Wyandots, Algonquin. On the British side were Iroquois tribes of the Five Nations, but almost the entire Northeast corridor who were Algonkin's such as the Mohicans.
The French were blocked from marching down on Albany by the Adirondack mountains and by the great forest south of the mountains. The tribes of the Five Nations lived in that forest and blocked the French's path. The Mohawks, Oneidas, Onondagas, Cayugas, and Senecas.
Because of this great barrier, the French had to stretch their lines several thousands miles around. Had they taken New York, it would have been a three hundred mile barrier from Canada to New York harbor.