I can suggest several places for you to hunt in the area you are thinking about. Rob Gratson who posts on here has given me a lot of help when I moved my hunting operations to Somerset County. Bluetick also can be of some considerable help. Here are a couple of places you can look up and find maps for if you wish.
1. Laurel Hill State park, on the border between Somerset and Fayette Counties. This is also a DMAP area, so you can purchase a DMAP tag to take a doe.
2. You already mentioned Ohiopyle State Park. The hunting terrain in the area is a lot less steep than what I was used to in the Ridge and Valley province to the east. Ohiopyle is also a DMAP area.
3. Mount Davis in southeastern Somerset County. While it is the highest mountain peak in Pennsylvania, the terrain is relatively gentle, and this is also a DMAP area.
4. If you want to get away from state parks, check out State Game Lands number 51 in Fayette County, and also State Game Lands number 111 in Somerset County. I do almost all of my deer hunting on SGL #111, and <span style="color: #FF0000">if you drop me a PM,</span> I can arrange to meet you and give you a quickie tour of some places from which you could stage a hunt.
A great resource for maps of such areas as the above mentioned would be the DCNR website for maps of the DMAP areas I mentioned. Here is a link to the interactive map of DMAP areas in Pennsylvania. Click on one and a map of that area will come up.
DMAP area website
For maps of State Game Lands, go to the Pennsylvania Game Commission website. This link takes you to a portal for the entire state:
PGC web page on State Game Lands
This one takes you to just the Southwestern part of the state. The numbers on the map are Game Lands numbers. Pick one and look up the map in the search block at the right side of the page.
State Game Lands in Southwestern PA
Hope this helps you. Good luck with your foray into hunting.