Crossville – Tennessee Promise Saturday Presented by Cumberland Mountain State Park June 27th from 10:00am – 2:00. Please meet at shelter 4 at Cumberland Mountain State Park for our Tennessee Promise Saturday. This Year we will be focusing on invasive species removal. Please come prepared with plenty of water, snacks, bug spray, proper clothes, and closed toed shoes. Please bring a proper face mask and remain 6 feet apart as we are still following social distancing guidelines. Also because of the social distancing guidelines we are only accepting 10 volunteers