In Poe Paddy, the small streams you have easy access to are:
Drumroll please:
Big Poe, Little Poe, Swift Run.
Big Poe = stocked in lower section, with a smattering of natives. Lake at Poe Valley SP. Above the lake it's a so-so wild brookie stream with some posting in places.
Little Poe = well, little. It has plenty of fish but they are mostly all dinks.
Swift Run = below average brookie stream, also very little.
As far as what I was saying about the roads, don't trust the maps. some roads are gated, others are very bad. Siglerville/Millheim Pike is the main drag in and out of that area. Then Penns Valley Rd runs the length of Big Poe Creek and takes you from the Pike to the State Parks. All of those roads are mostly dirt, but "good" dirt, meaning the main thing to contend with is some washboard surface. They are even paved in spots.
As far as distance, it's screwy. For instance, if you're at Poe Paddy, and want to go to Cherry Run (another good access point for Penns, and there are some good small streams around there), well, you look at a map, and it's only 3-4 miles as the crow flies. Well, it's about an hour to drive...
Coburn is only about 2 miles north, as the crow flies. 30+ minutes to drive.
It's not that you have to go that slow on those roads. It's just that there's no roads going from here to there, and you have to go WAY around.
The jam is at 7 mountains campground. It's on 322 WSW of Poe Paddy, where Sand Mountain Rd meets 322 at the peak of the mountains there. You can take Sand Mountain Rd to the Siglerville/Millheim Pike and into Poe Paddy, about 30 minutes. Meaning, by car, it's as close as anywhere. But it's also on the highway, meaning easier access to hard roads to go north to Spring Creek, west to the LJR, south to Kish/Tea/Honey, or get to a much larger number of small streams in a reasonable amount of time.