Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Telephone Canyon Trail | Trail | 1141 | Brewster | 29 23 29 N | 102 58 36 W |
| Telephone Canyon Trail | Trail | 1030 | Brewster | 29 21 27 N | 103 01 07 W |
| Terlingua Trail | Trail | 1144 | Brewster | 29 30 55 N | 103 40 10 W |
| Terrell Alternative School SPARK Park Trail | Trail | 19 | Harris | 29 49 49 N | 095 19 23 W |
| The Window Trail | Trail | 1396 | Brewster | 29 16 43 N | 103 19 37 W |
| Thompson Elementary SPARK Park Trail | Trail | 13 | Harris | 29 42 17 N | 095 21 60 W |
| Tijerina Elementary SPARK Park Trail | Trail | 11 | Harris | 29 44 28 N | 095 18 40 W |
| Tinsley Elementary SPARK Park Trail | Trail | 20 | Harris | 29 39 37 N | 095 30 05 W |
| Tom Mays Unit Trail | Trail | 1480 | El Paso | 31 55 00 N | 106 30 50 W |
| Tonkawa Trail | Trail | 120 | Ellis | 32 14 56 N | 096 38 06 W |
| Town East Park Trail | Trail | 153 | Dallas | 32 48 27 N | 096 38 21 W |
| Trailhead Park Trail | Trail | 273 | Travis | 30 26 22 N | 097 49 10 W |
| Travis Elementary SPARK Park Trail | Trail | 16 | Harris | 29 47 16 N | 095 22 28 W |
| Trinity Creek Mountain Creek Preserve Trail | Trail | 126 | Dallas | 32 47 10 N | 096 55 27 W |
| Trinity Trail | Trail | 157 | Collin | 33 02 21 N | 096 30 33 W |
| Trout Creek Nature Trail | Trail | 22 | Newton | 30 38 45 N | 093 49 32 W |
| Tuff Canyon Trail | Trail | 721 | Brewster | 29 08 58 N | 103 29 17 W |
| Turkey Bend Trail | Trail | 229 | Travis | 30 30 16 N | 098 06 15 W |
| Turkey Creek Trail | Trail | 165 | Travis | 30 20 02 N | 097 50 25 W |
| Turner Elementary SPARK Park Trail | Trail | 13 | Harris | 29 43 09 N | 095 22 02 W |
| Twain Elementary SPARK Park Trail | Trail | 15 | Harris | 29 41 58 N | 095 26 15 W |
| Tyler State Park Trail | Trail | 140 | Smith | 32 28 40 N | 095 17 33 W |
| Tyrell Park Trail | Trail | 4 | Jefferson | 30 00 50 N | 094 08 51 W |
| Valley Creek Greenbelt Trail | Trail | 125 | Dallas | 32 44 02 N | 096 35 27 W |
| Veterans Park Trail | Trail | 163 | Tarrant | 32 42 08 N | 097 09 51 W |
| Village Creek Historical Area Trail | Trail | 147 | Tarrant | 32 44 33 N | 097 10 05 W |
| Village Creek State Park Trail | Trail | 6 | Hardin | 30 15 16 N | 094 10 21 W |
| Wainwright Elementary SPARK Park Trail | Trail | 24 | Harris | 29 49 21 N | 095 28 05 W |
| Walnut Grove Trail | Trail | 167 | Dickens | 32 57 53 N | 097 04 33 W |
| Walnut Grove Trail | Trail | 173 | Tarrant | 32 59 34 N | 097 08 31 W |
| Walter Buck Wildlife Management Area Trail | Trail | 589 | Kimble | 30 26 15 N | 099 47 47 W |
| Ward Spring Trail | Trail | 1275 | Brewster | 29 14 49 N | 103 21 33 W |
| Washington - on - the - Brazos State Historic Site Trail | Trail | 58 | Washington | 30 19 34 N | 096 09 09 W |
| Waterfall Trail | Trail | 167 | Travis | 30 20 16 N | 097 53 37 W |
| Waxahachie Trail | Trail | 142 | Ellis | 32 17 31 N | 096 41 11 W |
| West Bouldin Creek Trail | Trail | 140 | Travis | 30 15 30 N | 097 45 28 W |
| Westbury High School SPARK Park Trail | Trail | 19 | Harris | 29 39 01 N | 095 28 58 W |
| Wharton Elementary SPARK Park Trail | Trail | 17 | Harris | 29 45 13 N | 095 23 27 W |
| Whidby Elementary SPARK Park Trail | Trail | 14 | Harris | 29 41 02 N | 095 22 34 W |
| White Elementary SPARK Park Trail | Trail | 22 | Harris | 29 41 49 N | 095 32 34 W |
| White Rock Lake Trail | Trail | 144 | Dallas | 32 49 16 N | 096 43 10 W |
| White Rock Trail | Trail | 181 | Collin | 33 01 06 N | 096 48 51 W |
| White Trail | Trail | 1071 | Brewster | 29 39 01 N | 103 35 27 W |
| Wilderness Park Museum Trail | Trail | 1293 | El Paso | 31 54 19 N | 106 27 13 W |
| Wilderness Ridge - Shumard Trail | Trail | 2133 | Culberson | 31 59 50 N | 104 46 07 W |
| Wilderness Trail | Trail | 340 | Bexar | 29 38 20 N | 098 33 04 W |
| Wildflower Trail | Trail | 146 | Bastrop | 30 10 12 N | 097 27 12 W |
| Will Rogers Elementary SPARK Park Trail | Trail | 18 | Harris | 29 44 15 N | 095 26 31 W |
| Willow Park Trail | Trail | 17 | Harris | 29 40 06 N | 095 27 18 W |
| Wilson Elementary SPARK Park Trail | Trail | 16 | Harris | 29 44 55 N | 095 23 57 W |
| Wolf Mountain Trail | Trail | 301 | Blanco | 30 18 28 N | 098 15 21 W |
| Wylie Community Park Trail | Trail | 158 | Collin | 33 00 09 N | 096 31 53 W |
| Yegua Creek Park Nature Trail | Trail | 81 | Washington | 30 18 24 N | 096 32 22 W |
| Zilker Park Hike and Bike Trail | Trail | 148 | Travis | 30 16 03 N | 097 46 11 W |
| Baytown Tunnel | Tunnel | -3 | Harris | 29 42 20 N | 095 01 01 W |
| Quitaque Railway Tunnel | Tunnel | 851 | Floyd | 34 14 34 N | 101 07 19 W |
| Acebuche Draw | Valley | | Pecos | 30 53 16 N | 103 00 58 W |
| Adair Canyon | Valley | | Fisher | 32 57 23 N | 100 36 00 W |
| Addoson Draw | Valley | | Pecos | 30 45 43 N | 103 29 31 W |
| Adobe Draw | Valley | | Culberson | 31 07 57 N | 104 06 14 W |
| Adobe Draw | Valley | | Reeves | 31 04 42 N | 103 43 17 W |
| Adobe Walls Draw | Valley | | Brewster | 29 24 13 N | 103 35 41 W |
| Aermotor Draw | Valley | | Val Verde | 30 16 06 N | 101 17 22 W |
| Agua Fria Draw | Valley | | Brewster | 29 33 40 N | 103 38 45 W |
| Alamo Arroyo | Valley | | Hudspeth | 31 18 43 N | 105 54 27 W |
| Alamo Canyon | Valley | | Hudspeth | 31 28 24 N | 105 45 01 W |
| Alfalfa Draw | Valley | | Crosby | 33 37 36 N | 101 07 52 W |
| Alkali Draw | Valley | | Stonewall | 33 03 03 N | 100 02 43 W |
| Alligator Draw | Valley | | Culberson | 31 53 56 N | 104 20 34 W |
| Alligator Hollow | Valley | | Leon | 31 18 11 N | 096 03 42 W |
| Allison Draw | Valley | | Kimble | 30 28 39 N | 099 56 58 W |
| Allison Hollow | Valley | | Edwards | 29 58 57 N | 100 01 56 W |
| Anderson Draw | Valley | | Crockett | 30 24 53 N | 101 13 28 W |
| Anderson Gully | Valley | | Orange | 30 01 58 N | 094 00 04 W |
| Anderson Hollow | Valley | | Bandera | 29 46 09 N | 099 25 28 W |
| Anderson Hollow | Valley | | Blanco | 30 28 04 N | 098 31 07 W |
| Antelope Draw | Valley | | Culberson | 31 07 56 N | 104 06 14 W |
| Antelope Draw | Valley | | Hudspeth | 31 43 06 N | 105 14 37 W |
| Antelope Draw | Valley | | Irion | 31 22 38 N | 101 11 41 W |
| Antelope Draw | Valley | | Pecos | 30 38 40 N | 103 19 48 W |
| Antelope Draw | Valley | | Schleicher | 30 47 36 N | 100 30 08 W |
| Antelope Gulch | Valley | | Hudspeth | 31 41 55 N | 105 15 36 W |
| Anton Hollow | Valley | | Bexar | 29 37 57 N | 098 47 51 W |
| Anton Hollow | Valley | | Uvalde | 29 31 34 N | 099 36 47 W |
| Antone Canyon | Valley | | Crockett | 30 18 16 N | 101 32 42 W |
| Antone Hollow | Valley | | Medina | 29 33 10 N | 098 59 39 W |
| Antonia Canyon | Valley | | Jeff Davis | 30 39 33 N | 103 40 19 W |
| Anvil Hollow | Valley | | Real | 29 54 12 N | 099 46 22 W |
| Apache Canyon | Valley | | Brewster | 29 17 26 N | 103 24 54 W |
| Apache Canyon | Valley | | Hudspeth | 31 30 03 N | 104 54 50 W |
| Apache Canyon | Valley | | Potter | 35 33 11 N | 101 48 03 W |
| Apple Spring Hollow | Valley | | Travis | 30 33 38 N | 097 54 14 W |
| Apple Valley | Valley | | Kerr | 30 03 43 N | 098 59 45 W |
| Arden Draw | Valley | | Brewster | 30 04 43 N | 103 05 30 W |
| Arenoso Arroyo | Valley | | Presidio | 29 57 18 N | 104 35 46 W |
| Armadillo Draw | Valley | | Kerr | 29 53 33 N | 099 40 07 W |
| Armadillo Hollow | Valley | | Uvalde | 29 30 21 N | 099 26 20 W |
| Arroyo Anacuitas | Valley | | Hidalgo | 26 07 28 N | 097 53 29 W |
| Arroyo Arenoso | Valley | | Presidio | 29 32 25 N | 104 18 32 W |
| Arroyo Balluco | Valley | | Hudspeth | 31 07 14 N | 105 39 46 W |
| Arroyo Baviza | Valley | | Presidio | 29 52 57 N | 104 38 45 W |
| Arroyo Blancas | Valley | | Zapata | 27 04 04 N | 099 18 12 W |
| Arroyo Blanco | Valley | | Zapata | 26 59 26 N | 099 09 19 W |
| Arroyo Blanco | Valley | | Zapata | 27 05 15 N | 099 16 16 W |
| Arroyo Bonito | Valley | | Reeves | 31 51 41 N | 103 53 16 W |
| Arroyo Borracho | Valley | | Presidio | 29 44 32 N | 104 33 07 W |
| Arroyo Bugies | Valley | | Zapata | 27 01 25 N | 099 20 39 W |
| Arroyo Burro | Valley | | Zapata | 27 00 22 N | 099 22 03 W |
| Arroyo Caballo | Valley | | Hudspeth | 30 50 46 N | 105 21 34 W |
| Arroyo Cabeza de Vaca | Valley | | Zapata | 26 52 39 N | 099 12 38 W |