In Kinderhook, NY 9H intersects with the western terminus of CR 25 before turning northeast near the Martin Van Buren National Historic Site. At Fischer Road, NY 9H turns northward once again, becoming a divided highway near CR 21 (Hudson Street) in Kinderhook. NY 9H bends to the northwest around the hamlet of Kinderhook before crossing US 9 (Kinderhook Street) once again in the town of Valatie. After crossing US 9, NY 9H passes west of Prospect Hill Cemetery and re-entering the town of Kinderhook. The route becomes a commercial strip for a short distance before ending at a roundabout with US 9.