ical ▁River ▁Ot ters , ▁Col la red ▁Pe ck aries , ▁O cel ots ▁and ▁Red ▁Bro cket ▁De ers ▁to ▁name ▁a ▁few . ▁ ▁The ▁nation ' s ▁largest ▁cave ▁system , ▁the ▁Ari po ▁C aves ▁which ▁are ▁inhab ited ▁by ▁oil ▁birds ▁as ▁well ▁as ▁the ▁country ' s ▁highest ▁water fall , ▁Mar ac as ▁Water fall ▁at ▁ 3 0 0 ▁feet ▁high ▁are ▁also ▁located ▁in ▁the ▁region . ▁ ▁The ▁terrain ▁consist ▁mainly ▁of ▁sed iment ary ▁rocks - sch ists ▁and ▁lim est ones ▁as ▁well ▁as ▁vol can ic ▁rocks ▁in ▁the ▁east . ▁ ▁Cl imate ▁Tun ap una – P iar co ▁is ▁mainly ▁sub - t rop ical ▁for ▁the ▁most , ▁but ▁changes ▁to ▁being ▁m ild ly ▁temper ate ▁in ▁the ▁highest ▁elev ations ▁to ▁the ▁north ▁in ▁the ▁mountains ▁where ▁the ▁elev ation ▁is ▁about ▁ 2 , 5 0 0 ▁feet ▁at ▁a ▁moder ately ▁high ▁elev ation ▁outside ▁of ▁the ▁astronom ical ▁tropical ▁zone ▁where ▁it ▁is ▁considered ▁temper ate ▁land . ▁ ▁Cloud ▁Forest ▁and ▁heavy ▁fog ▁covers ▁the ▁mountains ▁to ▁the ▁north ▁while ▁the ▁rest ▁of ▁the ▁region ▁experiences ▁cloud y ▁sk ies ▁and ▁heavy ▁ra inf all ▁with ▁moder ately ▁cool ▁day time ▁temper atures ▁during ▁the ▁ra iny ▁season ▁and ▁dry ▁sp ells ▁and ▁abund ant ▁sun sh ine ▁in ▁the ▁dry ▁season . ▁The ▁region ▁as ▁well ▁as ▁the ▁rest ▁of ▁the ▁country ▁does ▁not ▁fully ▁observe ▁winter ,