So it's a year later I hope you found a place, but the very easy end of 71st south there are some good trails with mud out there, if your looking for just quick cover the jeep in mud after some rain there is a spot up by bass pro shop.
Forest Green Pearl TJ
4.0L/ 5 speed/ Rampage Soft Top
3" SL/1.25" BL/1" MML
Warn Rear/ ARB full width front Bumper
33x11 Wrangler MTR Kevlar/16" Ultrastar rims
Engo 12k cable