From Dallas:

Take I-35E south to US-67S (as if you were going to Cleburne).  Turn left onto FM-157 and follow that straight through Venus.  Turn right onto Ozro Road.  You are officially in the country now. The road will fork at the cemetery. Go left (this is Smith Road). Go past the house on the hill and over the bridge.  The entrance gate is in the first field to the right after the bridge. 

From Fort Worth:

Take I-35W to exit 15 for FM 916 to Maypearl.  Go left on FM 916, left at Lo Water Road, right at Auburn Road, left on Wiggins Road and then right on Smith Road. The entrance gate is the last field to the left before the bridge. 

For specific directions, click on the map to go to Google Maps:

458 Smith Road, Maypearl, TX 76064

Click to Open Google Maps