 A series of fissure vents , cinder cones , spatter cones , rafted blocks , and overlapping lava flows are accessible from the Loop Drive , 7 miles ( 11 km ) long . Wildflowers , shrubs , trees , and wild animals can be seen by hiking on one of the many trails in the monument or by just pulling over into one of the turn @-@ offs . More rugged hiking opportunities are available in the Craters of the Moon Wilderness Area and Backcountry Area , the roadless southern and major part of the monument . 
