Smaller kids may have a hard time with the hill on a bike, but it's a great place for nature hikes.
No specific closing times, but stay away during the thaw and after heavy rains.
The Main Connector trail is a wide, smooth, doubletrack trail that allows you climb quickly up the hill and get to the singletrack. While the climb is easy, it is long and sustained.
The trail is shaped like a lollipop and all of the marked singletrack trails end back on Main Connector, so it's hard to get lost. Just head downhill on the doubletrack and you'll end up back at the lot.
Please watch out for other trail users and be respectful and polite.