There must be thousands of wild grape vines along the highways and woods, but it seems most of them hold nary a single grape.

The images show a wild vine I found that has good grapes, similar to Concord but larger (see photos). We have used them successfully for grape jelly but we don't get quite enough grapes, they are hard to reach (high on trees).

I am curious if anyone can tell from the photos what variety they might be. Sure would be nice to know.