三黃谷(gu)(gu)省級(ji)森(sen)(sen)林(lin)(lin)(lin)公(gong)(gong)園生態旅游(you)景區位于山(shan)(shan)門鎮(zhen)東南10公(gong)(gong)里(li)(li)處的三黃谷(gu)(gu)森(sen)(sen)林(lin)(lin)(lin)公(gong)(gong)園2003年被(bei)列為(wei)省級(ji)森(sen)(sen)林(lin)(lin)(lin)公(gong)(gong)園,隸屬于小隴山(shan)(shan)林(lin)(lin)(lin)業實驗局山(shan)(shan)門林(lin)(lin)(lin)場(chang),地(di)處秦嶺山(shan)(shan)脈與關山(shan)(shan)山(shan)(shan)脈的結合部,是牛(niu)頭河的發源地(di)。該公(gong)(gong)園距(ju)清水縣城40公(gong)(gong)里(li)(li),距(ju)天(tian)水市90公(gong)(gong)里(li)(li),海(hai)拔1600——2100米,年平均氣溫8℃,相對濕度70%,森(sen)(sen)林(lin)(lin)(lin)覆蓋率達76.1%,屬典型的暖溫帶山(shan)(shan)地(di)半濕潤氣候區,素有(you)“百里(li)(li)林(lin)(lin)(lin)海(hai)、天(tian)然課(ke)堂、森(sen)(sen)林(lin)(lin)(lin)浴場(chang)”之稱。