Calvin Crest is a 4 mile hiking trail in Fremont, Nebraska.
Take Hwy 77 south out of Fremont then head west on Hwy 109. Turn north onto County Road 13 and follow to the end, which will be Camp Calvin Crest. Park in the lot with the basketball hoop.
http://www.tripleblaze.com/trail.php?c=3&i=7814