Pros:
It's in town.
Since it's a 9 holer, you can play it rather quickly. There's some shot selection, but not much.
Hole 3 is a very aceable, or at the very least, birdieable. You should putt from the pin's dirt or close to that without a problem.
I have found quite a few free discs here! I have also lost quite a few discs here.....
Not too many like hole 9. I'm not one of them. It's a nice, 90 degree turn. It indeed is parable, but you have to sidearm it past the curve and avoid the trees. A decent distance, somewhat accurate sidearm shot will achieve this.
Hole 9 usually is the tiebreaker hole.
Good use of a small park.
Cons:
Mosquitoes love this place.
Crazy crowded, especially when NIU is in session. And we're not talking threesomes, foursomes, etc. I've seen as many as eight people playing a single hole at a time. I found that if you arrive early in the morning (early = before 9) it's usually vacant.
This is a public park that has a path bissecting it. A loud "FORE!" will serve you well on a few holes, especially number 5. If a pedestrian crosses the bridge, there is a blind corner created by the treeline that will not allow them to see a disc for a few seconds.
Also, because this is a public park in a highly residential area, there are the occasional park-goers who are oblivious to the fact that people want to tee off. Again, a loud "FORE!" will serve you well, and cross your fingers. One time when I was there, a guy brought his kids to the park and the kids wound up playing with their toy trucks in the woodchips of the tee on hole #2.
Due to the size of the park, there's not really a "big" hole. Hole 4 is about 350 - 400' and that's it.
If this course wasn't just down the road I wouldn't play it as much as I do.
Other Thoughts:
Skip this course and drive out to Pioneer Park in Kirkland. It's much better!