拒馬河溶(rong)(rong)洞漂流的起點(dian)(dian)位于(yu)拒馬河畔莊子(zi)(zi)村,終(zhong)點(dian)(dian)位于(yu)野三坡清泉山附近,是北京周邊唯一帶溶(rong)(rong)洞的漂流。溶(rong)(rong)洞內(nei)由多段組成,蜿(wan)蜒曲折,于(yu)峭壁(bi)下的河道穿(chuan)插前行(xing),洞內(nei)鐘乳石(shi)(shi)(shi)、石(shi)(shi)(shi)筍、石(shi)(shi)(shi)柱、多巖縫隙成群(qun)涌現。穿(chuan)越五顏(yan)六色的溶(rong)(rong)洞區(qu)域,欣賞拒馬河兩岸(an)風光,峽谷兩面遍布著不(bu)少奇石(shi)(shi)(shi)異景,有“石(shi)(shi)(shi)猴戲水”、“石(shi)(shi)(shi)門(men)頓(dun)開(kai)”、“懸崖棧道”、“天橋(qiao)拱立”、“沙蟒攔路”等景點(dian)(dian)。“石(shi)(shi)(shi)猴戲水”在拒馬河湍(tuan)流之(zhi)中,巖石(shi)(shi)(shi)林立,裸(luo)露(lu)水面,遠(yuan)觀其形(xing),好似(si)猴子(zi)(zi)戲水因而得名。“石(shi)(shi)(shi)門(men)頓(dun)開(kai)”是一處塌落斷崖,形(xing)似(si)大門(men),非(fei)常壯觀。“沙蟒攔路”是一處單體突起的小沙丘,長500米,高30米,兩側傾斜角34度,是深(shen)山峽谷中的“小戈(ge)壁(bi)”。