Good eats near Falling Water/Ohiopyle?
If you're just looking for roadfood, try Molnar's on Rte. 51, a few miles south of the Elizabeth Bridge. Credible hot sausage, fish sanwiches, hundreds of beer choices. It's three pink trailers strung together.
Nemocolin's restaurants are pricey and uninspired.
There's a French restaurant in Hopwood, but it's gone downhill since it changed ownership a few yrs ago.
Century Inn on 40 is charming. About 15 miles east of Washington, PA.