Forest park is one of the largest urban parks in the world and the only city wilderness park in the united states the park is home to hundreds of native plants and animals and offers more than eighty miles of trails all within minutes of downtown portland this activityis a 3 hour guided activitythat is private and will include just you and your guidewhile navigating the park on your own can be daunting your guide will ensure that you have an enjoyable experience and do not get lostif