This is a story related trophy and cannot be missed.
*** Spoiler - click to reveal ***This one is needed to progress. You need to put two weights on the far side of the temple and complete the quick time event for it to fall into the bog. Once you do that, the trophy should appear.
All credit goes to original authors at playstationtrophies.org, and this is merely updating truetrophy fans with these guides.
http://www.playstationtrophies.org/game/god-of-war-ii/trophy...