I initially thought that this was a typical hike on a well-maintained trail, until I cleared the trees into a magnificent meadow. The views were very pretty and led to the Sandy Spring for which the town is named. Despite some unsightly vandalism, the spring was very impressive.
We also were unable to find marker 9. Sounds like we walked passed it instead of turning, because there wasn't any signage. We did a white and orange look in the opposite direction of marker 9 as well. The actual Underground Railroad trail is not a loop. Overall a nice trail with lots of history.
A pleasant walk. Finding the trailhead from the parking lot was a minor problem - just need to head south down the driveway past the old barn, then hang a left onto the grassy area between the horse fence and the wooded area. Previous reviews are correct in noting that signage between #8 and #9 is not so good. Just follow the gravel path and hang a right along the tree line.
The entrance to the trail was somewhat hard to find from the visitor parking. You'll need to go out the drive, past the old barn. You'll find a bulletin board with the maps for taking. The trails are mostly smooth and easy to navigate. The printed trail map was helpful, though we missed the last trail marker on the first pass. There were no clear trail markers from location #8-#9. When you leave point #8, the spring, you'll meet up with a gravel path, which leads out to a private road. Just before the road, turn right and follow the tree line along the field. You'll soon find the big tree, point #9. The history provided on the map added a nice touch to the hike.