TranGo (Transit for Greater Okanogan) Public Transit for Greater Okanogan County. Bus route available from Winthrop to Twisp daily. Categories: All ServicesTranGo (Transit for Greater Okanogan)208 S. Main St. #7Omak, WA 98841 USGet DirectionsWebsite(509)557-6177kscalf@okanogantransit.comReturn to Business Listings