公(gong)(gong)園(yuan)(yuan)位于(yu)綦江北部,分為(wei)(wei)(wei)木化(hua)石(shi)景(jing)區(qu)(qu)(qu)、古(gu)劍(jian)山(shan)(shan)景(jing)區(qu)(qu)(qu)和(he)老瀛山(shan)(shan)景(jing)區(qu)(qu)(qu)。公(gong)(gong)園(yuan)(yuan)性質為(wei)(wei)(wei):以木化(hua)石(shi)為(wei)(wei)(wei)核(he)心,恐(kong)(kong)(kong)龍(long)(long)(long)足(zu)跡(ji)為(wei)(wei)(wei)主體(ti),丹(dan)霞地(di)(di)(di)(di)貌為(wei)(wei)(wei)特(te)色(se)(se),兼顧林海景(jing)觀和(he)宗教文(wen)化(hua)景(jing)觀的(de)(de)大(da)型綜(zong)合性地(di)(di)(di)(di)質公(gong)(gong)園(yuan)(yuan)。公(gong)(gong)園(yuan)(yuan)內地(di)(di)(di)(di)質遺(yi)址景(jing)觀有5大(da)類(lei),主要(yao)由木化(hua)石(shi)景(jing)區(qu)(qu)(qu)、恐(kong)(kong)(kong)龍(long)(long)(long)足(zu)跡(ji)景(jing)區(qu)(qu)(qu)和(he)丹(dan)霞地(di)(di)(di)(di)貌景(jing)區(qu)(qu)(qu)三部分組(zu)成(cheng),面積約(yue)108平方公(gong)(gong)里(li)。木化(hua)石(shi)為(wei)(wei)(wei)公(gong)(gong)園(yuan)(yuan)的(de)(de)主導(dao)景(jing)觀之一(yi),公(gong)(gong)園(yuan)(yuan)內木化(hua)石(shi)數(shu)量(liang)眾多,形(xing)態(tai)豐富(fu),個(ge)體(ti)大(da),保(bao)存(cun)完(wan)整,產出地(di)(di)(di)(di)集中(zhong)。恐(kong)(kong)(kong)龍(long)(long)(long)足(zu)跡(ji)集中(zhong)分布(bu)在三角(jiao)鎮紅(hong)(hong)巖坪,屬(shu)老瀛山(shan)(shan)恐(kong)(kong)(kong)龍(long)(long)(long)足(zu)跡(ji)景(jing)區(qu)(qu)(qu)。恐(kong)(kong)(kong)龍(long)(long)(long)足(zu)跡(ji)數(shu)量(liang)之多,保(bao)存(cun)完(wan)全,彌足(zu)珍貴,它(ta)不僅(jin)填(tian)補了我國(guo)西南(nan)地(di)(di)(di)(di)區(qu)(qu)(qu)白(bai)(bai)堊紀(ji)(ji)(ji)地(di)(di)(di)(di)層未(wei)發(fa)(fa)現有恐(kong)(kong)(kong)龍(long)(long)(long)遺(yi)跡(ji)的(de)(de)空白(bai)(bai),同時也為(wei)(wei)(wei)該區(qu)(qu)(qu)域內進一(yi)步開展白(bai)(bai)堊紀(ji)(ji)(ji)恐(kong)(kong)(kong)龍(long)(long)(long)化(hua)石(shi)和(he)恐(kong)(kong)(kong)龍(long)(long)(long)蛋的(de)(de)尋找和(he)研(yan)(yan)究工作提供了重要(yao)的(de)(de)科(ke)學依據。公(gong)(gong)園(yuan)(yuan)丹(dan)霞地(di)(di)(di)(di)貌分布(bu)廣(guang)泛,其中(zhong)以紅(hong)(hong)巖坪虎山(shan)(shan)、老瀛山(shan)(shan)、瀛山(shan)(shan)古(gu)劍(jian)山(shan)(shan)、西山(shan)(shan)坪等(deng)(deng)最為(wei)(wei)(wei)奇特(te),它(ta)是(shi)區(qu)(qu)(qu)域內中(zhong)生代侏羅紀(ji)(ji)(ji)、白(bai)(bai)堊紀(ji)(ji)(ji)紅(hong)(hong)色(se)(se)砂礫巖層形(xing)成(cheng)的(de)(de)地(di)(di)(di)(di)貌。豐富(fu)的(de)(de)地(di)(di)(di)(di)質遺(yi)跡(ji)資源(yuan)對研(yan)(yan)究期(qi)間乃至西南(nan)地(di)(di)(di)(di)區(qu)(qu)(qu)中(zhong)生代地(di)(di)(di)(di)質演變歷(li)史和(he)當時的(de)(de)古(gu)地(di)(di)(di)(di)理、古(gu)氣候條件、古(gu)動植物發(fa)(fa)育(yu)生長(chang)情(qing)況(kuang)等(deng)(deng)具有重要(yao)的(de)(de)科(ke)學價值,公(gong)(gong)園(yuan)(yuan)乃一(yi)座珍貴的(de)(de)地(di)(di)(di)(di)學寶(bao)庫(ku),為(wei)(wei)(wei)一(yi)處得(de)天獨厚(hou)的(de)(de)科(ke)普教育(yu)基地(di)(di)(di)(di)。 1985年(nian)原縣綦江人民政(zheng)府將古(gu)劍(jian)山(shan)(shan)開辟成(cheng)森林公(gong)(gong)園(yuan)(yuan)。1992年(nian)批準為(wei)(wei)(wei)重慶市(shi)古(gu)劍(jian)山(shan)(shan)森林公(gong)(gong)園(yuan)(yuan)(省(sheng)級)。2006年(nian)經(jing)重慶市(shi)政(zheng)府辦公(gong)(gong)廳(ting)批復,同意建立老瀛山(shan)(shan)自然保(bao)護區(qu)(qu)(qu)。2007年(nian)被批準為(wei)(wei)(wei)省(sheng)級地(di)(di)(di)(di)質公(gong)(gong)園(yuan)(yuan),2009年(nian)5月被批準為(wei)(wei)(wei)第一(yi)批國(guo)土資源(yuan)科(ke)普基地(di)(di)(di)(di),2009年(nian)8月被國(guo)土資源(yuan)部授予國(guo)家地(di)(di)(di)(di)質公(gong)(gong)園(yuan)(yuan)。