Shemrica,
Just spent a the last few weeks travel NW to East through Texas. State Park system in Texas it terrific and I did purchase the Annual Pass at $70. You have to decided if its right for yourself... I used it not only for the camping discounts but no charge day passes for hiking. Capitol Rock great hiking and buffalo, Copper Breaks good hiking trails west of Dallas but both many not qualify for your distance to civilization. Ray Roberts north of Denton water front sites and Stephen F Austin Park west of Houston nature trails and new bathroom / shower facilities both close to civ
