Welcome to enjoyable Banner Forest. Park at the parking lot or the alternate parking spot (coordinates provided below) and take the main trail. Follow the main trail to one of the suggested trailheads. While there may be numerous approaches, I suggest either the Donald Duck trail or the Fusion Loop trail both of which will lead you to the trail the cache is located off of.
You are looking for a unpainted Lock n Lock about 60 feet off the trail. Due to the heavy tree cover, my reception was not the best. Keep this in mind when searching for the cache and please tread lightly in this delicate area. The fifty cent piece is for the FTF.
After you find the cache you can continue to explore and enjoy Banner Forest and its extensive trail system which we highly recommend. A good source for many of the trails in Banner Forest can be found in Northwest Trails at http://www.switchbacks.com/nwtrails/