Directions to Windmill Farms: From Bay City travel South on Hwy. 35 for 6 miles to Markham. Turn north on FM 1468 and go thru Markham 4.5 miles to Windmill Farms. We are on the north side of FM 1468. Look for our sign at the entrance. If you get as far as the oil tank farm at Clemville, you've gone too far.