Dog "park"

[McNally del Campo]

I'd suggest doing a search on this site for hikes. La Bufa should come up, as well as Santa Rosa de Lima. We don't live in Guanajuato, just visited, but I find myself addicted to this forum somehow. We hiked both routes when we were here last.

We took a small road off Panoramica that only had a few cars on it to get to Santa Rosa de Lima. There will be a an old church that you pass first, and this might be far enough if you just want someplace for your dog to run around. If you keep following the road, you'll get to a reservoir (this could be another good spot), and eventually it gets to a little town with a church and cross a tiny footbridge (you'll probably need to ask someone where it is) and follow a water pipe way uphill until you get to Santa Rosa de Lima.

La Bufa is much easier to find and the more obvious choice. Lots of open space.