The Texas coastal plains are a vast area bordered on the north and west by the Balcones Escarpment, a geological fault line in Texas running east from Del Rio, through San Antonio, Austin and curving northward through the east side of Dallas.

South and east of the fault line, the coastal plains fill the rest of Texas, east along the Red river to Louisiana, south along the Sabine river to the Gulf of Mexico, then down the coast to the Rio Grande river and upriver all the way to Del Rio.

The South Central Plains is a region located in southwestern Arkansas, northwestern Louisiana, eastern Texas, and a small piece of southeastern Oklahoma which is locally referred to as the Piney Woods area and which represents the westernmost portion of the area of the southeastern north America dominated by pine forests.

This four state South Central Plains ecoregion lies towards the warmer end of a humid subtropical climate and the rainfall in the Piney Woods area is much higher than in those regions to the west, however, the Piney Woods rainfall is lower than that rainfall in the Interior Highlands ecoregions to the north and the Gulf Coastal Plains ecoregion to the south. The highest rainfall in the South Central Plains tends to be in the southeast of this ecoregion.

Although much of the year has similar levels of precipitation, August has markedly less, receiving half or less than half of the rainfall occurring during the wettest months, although relative humidity usually remains high through the August dry season. Precipitation peaks in June in parts of the region, in November in others. Summer can see severe thunderstorms, hail, and tornadoes. Winters are mild but can bring some ice, sleet, and on average a month or slightly more worth of freezing temperatures.

Joktan′s son Diklah departs from his father and the rest of the brothers after breaking camp, the one which near the confluence of the Ohio and Tennessee Rivers. Diklah, together with his family continue downstream from that camp and continues down the Ohio river and when they arrive at the confluence with the Mississippi river, they choose to continue downstream.

Diklah′s sons and their descendants settle in the Coastal Plains area.

Probably the most famous of all the trails that cross the Texas coastal plains is the one just below the Balcones Escarpment, and is a trail dating from the Spanish Colonial time, a trail known as El Camino Real de Los Tejas, which at the time followed the many water sources that were provided by the numerous springs just below the escarpment. However, this trail had an even earlier beginning with the ancient indigenousness travelers of the Caddoan Culture.

Besides the de Los Tejas, there were also others trails as part of the Royal Roads, known in Spanish, El Camino Reales, which were traveled during the same time.

Original forest cover was a mix of pine and hardwood forests. However, today, this area is dominated by pine forest, with agriculture, mostly in the floodplain of the Red River.

Much of the forests here are plantations of loblolly pine (Pinus taeda) and shortleaf pine (Pinus echinata), with the densest forest cover located in the east of this region.

Bastrop State Park (Lost Pines)

Lake Bob Sandlin State Park

Lake Somerville State Park, Birch Creek

Lake Somerville State Park, Nails Creek

Lake Tawakoni State Park

Palmetto SP in Ottine, Texas

Purtis Creek State Park (Pine Belt)

El Camino Real de Los Tejas: Texas