The Cheesman Canyon Trail is popular with fly fishers. It is also an absolutely beautiful area with a river, woods and large boulders to hike.
With the option to make this an easy or more difficult hike the Button Rock Dam is a nice hike for all who want to get into nature.
Waterton Canyon is a lovely hike down a dirt road that follows a river and is full of wildlife. It is also an easy hike that all skill levels should be able to enjoy.