If you have a couple of hexes of temperate hills with a road leading up to a mountain range, this will help populate the area, provides three ready-made distinctive bases of operations and adventure hooks for you to flesh out as much as you like. If you've cleaned out a ruined keep recently or are heading into the mountains, this may be a suitable route for you.
You can download the PDF here or from the downloads page. I'm looking at alternate formats though PDF is a standard widely available on computers and e-readers. This one is on me, The Zaros Road Crawl is Creative Commons Non-Commercial Sharealike. If you have preferences, feedback or just want to say you've used it, link back or leave a comment. Have fun with it.