Rock Lake   Be the first to submit input for Rock Lake. If you have info on Rock Lake, Oldham County, Texas please submit it here to improve this web site.          These outdoors activities are available near Rock Lake.   Hotels Near Rock Lake: Best Western Country Inn, Vega, 17 miles away Days Inn Vega, TX, Vega, 18 miles away Holiday Inn Express Hereford, Hereford, 32 miles away Best Western Red Carpet Inn, Hereford, 32 miles away Econo Lodge Dalhart, Dalhart, 47 miles away