三黃谷(gu)省(sheng)(sheng)級森(sen)林(lin)(lin)公(gong)(gong)園(yuan)(yuan)生(sheng)態旅游景區位于山(shan)(shan)門鎮東南(nan)10公(gong)(gong)里處的三黃谷(gu)森(sen)林(lin)(lin)公(gong)(gong)園(yuan)(yuan)2003年(nian)被列為(wei)省(sheng)(sheng)級森(sen)林(lin)(lin)公(gong)(gong)園(yuan)(yuan),隸屬(shu)于小(xiao)隴山(shan)(shan)林(lin)(lin)業實驗(yan)局山(shan)(shan)門林(lin)(lin)場,地處秦嶺山(shan)(shan)脈(mo)與(yu)關山(shan)(shan)山(shan)(shan)脈(mo)的結合部,是牛頭河的發源地。該公(gong)(gong)園(yuan)(yuan)距清水縣城40公(gong)(gong)里,距天水市90公(gong)(gong)里,海(hai)拔1600——2100米(mi),年(nian)平(ping)均氣(qi)溫(wen)8℃,相對濕度70%,森(sen)林(lin)(lin)覆蓋率(lv)達(da)76.1%,屬(shu)典型的暖溫(wen)帶山(shan)(shan)地半濕潤氣(qi)候區,素(su)有“百里林(lin)(lin)海(hai)、天然課堂、森(sen)林(lin)(lin)浴場”之稱。