This is also outdated but I will tell you... You go back around 1 story back and push all the stones into place and then you go back 2 or 1 more time until you see the little ramp leading to the cave or entrance.After that you keep on going till you see the Yeti then you look at the scripture and yell through the blow horn and scare him to death or kill him. then go back and redo the process and tadah get your rewards.
((SPOILERS$%#$^$%))
REWARDS
Exp lamps
We do not know as scientifically, nobody has ever found a yeti.
yeti's moon fruit is in the cave where you battle zarkhator.
During The Last Snow Party, If You Made It Through The Great Snow Maze, You Could Enter The Yeti Cave In Which There Is A Yeti Suit Free Item. The Snow Party Is Over Now Though, And So, You Cannot Get To The Yeti Cave Any More. It May Appear In Future Snow Parties, So You Can Look Foreward To That!
Yeti caves are mostly found on snow isles such as snowflake,crystal and barren :)
To escape from a yeti's cave, try to remain calm and carefully look for an exit without alerting the yeti. Use your surroundings to create distractions to divert the yeti's attention and make a quiet, slow escape. It's important to move stealthily and avoid making sudden movements that could provoke the yeti.
I Think It's A Yeti!
go to the mountain (angrio) then take helicopter 5 stay on the left side of the course in the background you see a kind of cave jump across the chasm then you fall into a hole and you're in the yeti cave
He is on the Bigfoot Trail. If you don't know how to get there type in either Is There a Yeti in Wii Ski? or Where is the Yeti on Wii Ski? Then just keep on going through the cave and into the light and there he is. Just do that again and the tenth guy will be in the cave also.
A decent place to farm medium hides would be the Yeti cave in Hillsbrad Foothills. The only thing to watch out for is the really big elite Yeti there. He will destroy you if you are not severely over leveled for the zone, but once you get into the cave he will not bother you. The yetis in and around the cave have a chance to drop medium hide when you skin them. It is a low chance, but there are a lot of Yeti's in there and they re-spawn fairly quickly. Remember, hides have a lower drop chance than leather.
A Yook is a yeti type animal with a big club. It is found on the Isle of Frost. To destroy it you put a bomb in front of him when he starts to suck in.
you have to go to the room right before it and fill in the gaps on the west side or the left wall of the room with the blocks then go to the room before that enter the hole and walk along the thing that you filled in and you will get to the yeti just blow in the thing and he is parralized then go backtrack into the yeti room again and you pick up the "magic stones"(AKA:yeti dung) then backtrack out of the cave and you pretty much completed it sorry that this didnt make much sense i tried :(
Nobody really knows. A cave is possible though. They live in a very hostile environment so it only makes sense that they would need somplace to get out of the worst of the weather.