Special discounts for Northeast Kingdom residents. If you live in Caledonia, Essex, or Orleans County, Vermont, an individual year round membership is just $50. Family Membership is just $100. For those outside of the NEK, it's just $75 for year round individual membership and $150 for a family membership. membership gives you access to over 100 miles of world class recreational trails for mountain biking, Nordic skiing, snowshoeing and the newest winter sport - WINTERBIKING! All that can be yours with a season pass to Kingdom Trails!