Two trails spanning three miles take visitors into some of the most dynamic and scenic areas of the Angelina National Forest. Some 150 species of birds and 80 species of butterflies may be seen. Travel west on State Highway 7 to FM 2782 (about 6-7 miles from Loop 224 in Nacogdoches); turn south (left) and drive about 2.5 miles to entrance of the Experimental Forest.