Southern Thailand extends down this long peninsula & consists mainly of mountains & jungles
... Northeast Thailand consists mainly of the dry Khorat Plateau, 
which has... [DOC] [TLE] Thailand - Land | history - geography | Britannica.com [PAR] Oct 13, 2016 ... Peninsular Thailand stretches southward from the southwestern ... extend 
southward along the Thai-Myanmar border and reach as far south as northern 
Malaysia.