拒(ju)(ju)馬(ma)河(he)溶洞(dong)(dong)漂(piao)流的起(qi)點位于(yu)拒(ju)(ju)馬(ma)河(he)畔(pan)莊子(zi)村,終點位于(yu)野三坡清泉(quan)山(shan)附近,是(shi)北京周邊唯一帶(dai)溶洞(dong)(dong)的漂(piao)流。溶洞(dong)(dong)內(nei)由多段組成,蜿(wan)蜒(yan)曲折,于(yu)峭壁下的河(he)道(dao)(dao)穿(chuan)插前(qian)行,洞(dong)(dong)內(nei)鐘乳石(shi)(shi)(shi)、石(shi)(shi)(shi)筍、石(shi)(shi)(shi)柱、多巖縫隙成群涌現。穿(chuan)越五顏六色的溶洞(dong)(dong)區域(yu),欣賞(shang)拒(ju)(ju)馬(ma)河(he)兩(liang)岸風(feng)光,峽谷(gu)兩(liang)面遍布著不少奇(qi)石(shi)(shi)(shi)異景(jing),有“石(shi)(shi)(shi)猴戲水(shui)”、“石(shi)(shi)(shi)門頓開”、“懸(xuan)崖棧道(dao)(dao)”、“天橋拱(gong)立”、“沙蟒(mang)攔(lan)路(lu)”等景(jing)點。“石(shi)(shi)(shi)猴戲水(shui)”在拒(ju)(ju)馬(ma)河(he)湍流之中,巖石(shi)(shi)(shi)林立,裸露水(shui)面,遠觀(guan)其形(xing),好(hao)似猴子(zi)戲水(shui)因而得名。“石(shi)(shi)(shi)門頓開”是(shi)一處塌落斷崖,形(xing)似大門,非常壯觀(guan)。“沙蟒(mang)攔(lan)路(lu)”是(shi)一處單體(ti)突(tu)起(qi)的小沙丘,長500米,高30米,兩(liang)側(ce)傾斜角34度,是(shi)深山(shan)峽谷(gu)中的“小戈壁”。