Nice and paved area and also non paved trails. Doesn't even feel like your in Vegas! It's easy to get confused though if you go through the non paved areas. Haha a lot of bench areas. Seen a few roadrunners. We went passed the big bridge and seemed like most folks were on bikes there. So it would be a Neat area to also go biking too, I'd say!
This park has really grown over the past few years. There are lots of trails - both paved and non-paved. It's fun to see so much water in the desert and water-type foliage. And you'll most likely see a lot of bunnies!
The trail I've run the most starts at Wetlands and goes all the way to Lake Las Vegas. It's a nice trail. Starts out pretty mild, but there are a lot of crazy hills as you go along. It's mostly used by cyclists - at least when I've been out there. Not sure I've actually ever seen another runner while I've run this trail.
There is also a really cool hidden canyon, carved out by the Las Vegas Wash. You can easily climb down into the canyon - just be sure to do it on a clear day. Wouldn't be very fun (or safe) during a flash flood.
The park is well maintained and there are restrooms within the park (but not out along the trail). The restrooms were clean every time I've had to use them. Parking is plentiful, too. I doubt you'd ever had an issue finding a place to park.
A nice weekend stroll. Tons of little paths to explore wildlife and neat vegetation that thrives in a wetland area. Didn't feel like you were in Vegas at all. Cool visitor center and close to a water reclamation facility. Don't go in the water! ;)