McKinney Falls SP is located about 15 miles from Austin and includes a beautiful campground and variety of outdoor recreation including swimming in Onion Creek hiking, biking, photography, and wildlife viewing. There are two large water falls (when the river is flowing well). The campground has 85 campsites for tent/trailers/RV. All sites have electric hookups. Six of the campsites have screened shelters and there are also 6 cabins available to rent. One youth group camping area is also available.