Make a major purchase in some of these fly shops and then ask for some recommendations on local waters. I usually research the waters ahead of time but this was a spur of the moment trip. Last summer I purchased ~$200 in clothing from a fly shop, asked about local waters and was sent on a wild goose chase. The creek recommended was a trickle and dead. All this after a long drive. It was a scenic drive so I did get to do some photography. I'm convinced that these shops save their closer waters for guided trips and do not encourage anglers passing through (like me) to fish there. I did phone the shop to express my disappointment with their advice. Free advice is worth exactly what you pay for it.When I would go in there to look at clothes or gear in the off-season, it was like I was invading their world.