Drainage basin of the <a href="//commons.wikimedia.org/wiki/Category:Cagayan_River" title="Category:Cagayan River">Cagayan River</a> on the island of <a href="//commons.wikimedia.org/wiki/Category:Luzon_(island)" title="Category:Luzon (island)">Luzon</a>, <a href="//commons.wikimedia.org/wiki/Philippines" class="mw-redirect" title="Philippines">Philippines</a>.
<a href="//commons.wikimedia.org/wiki/User:Kleomarlo" title="User:Kleomarlo">Kleomarlo</a>
<span class="int-own-work" lang="en">Own work</span>