Howdy /out/doorsmen

Any Texan Native or visitor here?

>First time in 10 years I'll go camping
>Have some experience in backpacking with the boy scouts, nothing serious and it was 10 years ago
>Know some basics to backpacking and hiking
>26
>Looking to get away from the city and from suburbanites

Any Texas State/National parks you'd recommend for a newbie to try out?

What kind of gear should I buy? Any stores you'd recommend to buy mid-starter gear?

>Pic VERY unrelated

I was originally thinking of going to the Big Bend National Park and go to the mountains but I realize that maybe too much for me