Major landforms in the state of Texas include the Panhandle Plains, the Prairie and Lakes region, the South Texas Plains, the Gulf Coast, Piney Woods, Hill Country and Big Bend Country. Rivers, plains, mountains, plateaus, marshes and swamps are some of the common landforms in Texas.
The Gulf of Mexico coastline has flat land with islands, bays, bayous and saltwater marshes. This land rises to the popular Hill Country, which is considered the heart of the state. Scrub trees and cacti populate the land in Hill Country. Southwest Texas is commonly associated with mountains, such as Guadalupe, Santiago and Davis. The South Texas Plains features several rivers, including San Antonio, Lavaca, Nueces and Rio Grande.