距特克(ke)斯縣城40公(gong)里(li)處(chu)有(you)一(yi)個克(ke)桑溶(rong)(rong)(rong)洞(dong),屬于喀斯特溶(rong)(rong)(rong)巖地貌,經(jing)專家鑒定(ding),是(shi)新(xin)疆唯一(yi)的石(shi)灰巖天然地下溶(rong)(rong)(rong)洞(dong),也(ye)是(shi)我國(guo)最(zui)西部(bu)的溶(rong)(rong)(rong)洞(dong)。目前,溶(rong)(rong)(rong)洞(dong)已探明的部(bu)分約(yue)3公(gong)里(li)長(chang),最(zui)寬處(chu)約(yue)18米(mi),最(zui)窄處(chu)僅容一(yi)人匍匐通(tong)過。洞(dong)內石(shi)鐘乳(ru)、石(shi)筍、石(shi)蘑(mo)多呈乳(ru)白、奶(nai)黃色,少數為綠色、黑色,千(qian)姿百態,絢麗(li)多彩。特克(ke)斯縣闊(kuo)克(ke)蘇(su)河上(shang)游(you)還有(you)一(yi)片“天山(shan)石(shi)林(lin)(lin)”,為新(xin)疆第一(yi)大石(shi)林(lin)(lin),在全國(guo)名(ming)列(lie)第二。它是(shi)200萬(wan)年前強烈造山(shan)運動形(xing)成(cheng)的典型的雅丹(dan)地貌,長(chang)約(yue)9公(gong)里(li),寬約(yue)5公(gong)里(li)。天山(shan)石(shi)林(lin)(lin)狀如(ru)塔松,頂尖底圓,垂直高(gao)聳,一(yi)般高(gao)20—30米(mi)。