特點:全程13公里,線路成熟,路標明顯,強度中等,行程約6小時。
大致行程:第1段是從火爐山段,沿石階走約1公里,到達火爐(lu)山(shan)(shan)(shan)入口,跨(kua)過(guo)山(shan)(shan)(shan)澗至火爐(lu)山(shan)(shan)(shan)頂,山(shan)(shan)(shan)頂前(qian)岔路轉右沿石(shi)階下山(shan)(shan)(shan)。火爐(lu)山(shan)(shan)(shan)山(shan)(shan)(shan)勢渾圓,坡度(du)平緩,山(shan)(shan)(shan)間大石(shi)遍布,形(xing)狀各異,山(shan)(shan)(shan)上自然(ran)氣(qi)息濃郁,空氣(qi)非常好,林木繁盛。山(shan)(shan)(shan)中豬頭(tou)石(shi)、雞枕石(shi),三(san)間二廊等(deng)自然(ran)景觀,都享有盛名(ming)。第2段是(shi)鳳凰山(shan)段,到達廣汕(shan)公(gong)路口(kou),橫穿馬(ma)路,進入(ru)小村莊,再上豬(zhu)仔(zi)山(shan)。一(yi)路上坡,到達豬(zhu)仔(zi)山(shan)頂,可見到地上的長條形石板,前(qian)行有“天河-蘿崗(gang)2號”界碑。過了界碑,沿(yan)明顯(xian)的路(lu)上下(xia)坡,到(dao)達鳳(feng)凰山頂,沿(yan)左邊石階路(lu)下(xia)山,直(zhi)抵(di)山腳。見(jian)到(dao)馬路(lu)往左走,到(dao)達龍洞水(shui)庫大壩。第3段為雷達站(zhan)段。沿公路前(qian)行路過山外山生態農莊后,前(qian)行15米,在醫學院14、15宿舍之間(jian)左轉入山(shan)(shan)路上山(shan)(shan)。入山(shan)(shan)不久(jiu),經兩次右轉沿路走過樹林,見環山(shan)(shan)公路,直接越過公路,經路口上山(shan)(shan),一路直走到10號界(jie)碑(bei),經小山頂等,約幾(ji)百米,見環山公路,下(xia)公路右拐。