I wanted to doing some hiking near Seattle and Wallace Falls was only an hour away. If you want to do a nice 11 mile hike you could do what I did. Here's the route: Take the main trail (Woody Trail) up to it's termination at Upper Falls. You'll see a sign that clearly explains this is the end of the main trail and warns you not to go further unless you are prepared. Look beyond that sign for blue diamonds nailed to trees and follow them. This is a rough trail that goes about 0.2 miles and links into the trail to Wallace Lake. When the trails link you'll see a sign that points to the left. Wallace Lake is 2.3 miles from here, so follow the sign. Follow that DNR trail until you get to another sign that points to the right. Wallace Lake is 0.6 miles, but you'll want to go the other way, which will eventually take you to the Barr Trail. Take the Barr Trail and it will eventually link back into the Woody Trail and get you back to the parking lot. According to my pedometer it's about an 11 mile hike and takes you through a variety of terrain. There is a $10 day use fee for this park.