Bootleg Canyon features 35 miles of hiking trails near Boulder City, NV.
From Las Vegas, head south on the 93/95 about 15 miles until you come into Boulder City. Make a left on Yucca Street (just after the Taco Bell) and take Yucca to the detour to the trail head, once on Yucca you pretty much just follow the signs for Bootleg Canyon.
http://www.tripleblaze.com/trail.php?c=3&i=471