I am searching for a suitable location in Southern Virginia for a 3-4 day backpacking trip for my organization. We are planning to take 4 groups of 15 guys on separate trails, but all in the same area. We are looking for dispersed camping areas that allow fires, and don’t require a permit. Ideally we would like a loop trail with some mountain top experiences, water crossings, and a centralized location for a base camp for all groups. We also need a place that has enough water. We are trying to avoid areas that will be crowded. We are looking at doing the trip in mid-October, and then again in mid-April. Thank you in advance.