The barn that I board/ride at is quite small. Its only got four tack-stalls, 9 stalls and 1 foaling stall.
Its got a fair sized indoor arena. Its large enough to lunge and canter in without constantly turning. It also has a very large outdoor arena but not as large as some I've seen.
Most of the property is covered in horses, the woman that owns the barn has tons of horses. She's got over 7 pens and they've all got lots of horses in them. She's probably got at least 50 because there are back in the woods more horse pens that I've seen but never really counted. Most of the horses are kept out side with large shelters.
As for riding room there are lots of trails deep in the woods behind her house, but some haven't been ridden for years upon years and been worn down and lost, while some are still actively being ridden. There's a small trail leading to the road which empties into dirt roads and old two-tracks which are great to ride on.
Overall its a small little barn used for lessons, boarding and leasing during the show season. One great thing is that whatever is lying around the barn is free to use, tack, equipment, ectr. Of course, she pays for the hay and sweet feed of my horse which is included in the board fee, which is only 140 a month which I think is a pretty good deal since she's so close by.