Simplify the following text for a Grade 5 native English-speaking person.
Original: By 1685 , a trail known as the Sepasco Trail was formed by them and was routed from the Hudson River , eastward through the present-day Village of Rhinebeck , ending at Lake Sepasco .
Simplified: By 1685 , a trail known as the Sepasco Trail was formed by the Sepasco people . This trail started at the Hudson River and went east through the village of Rhinebeck .