 This prairie southeast of Snoqualmie Falls was the ancestral home, hunting and forage grounds for the Snoqualmie people and was located in the upper Snoqualmie Valley near the Snoqualmie River fork confluence, Mount Si, and the western foothills of the Cascade Range.One of the first explorers to the upper Snoqualmie Valley was Samuel Hancock who arrived in 1851.Hancock traveled upriver with his Snoqualmie guides, fording canoes around the falls to reach Snoqualmie Prairie, searching for coal deposits.