I figured this out kind of by accident... It's probably not completely right but it worked for me :)! I'm a kinda proud.. Never figured chords out before lol.

My strumming pattern is Down Down Up Up Down Up and repeat :)
http://www.youtube.com/user/MissKarc/ if you want to see my cover!

A Fine Frenzy - Avalanches

Capo 2

Intro
I just stay on G

GWe (320003@1)found ourselves on top of a mountain peak
GThe (320003@1)air was thin as a beggar's sleeve
C (x32010@1)                        GThe (320003@1)city lights were miles away
GThe (320003@1)hush was as thick as your winter coat
GAnd (320003@1)you wrote our names in the morning snow 
         C (x32010@1)                      GWith (320003@1)the fallen twigs and berries saved

Am (x02210@1)Well, don't be scared of avalanches
CTucked (x32010@1)up in my snowy branches
GI (320003@1)will
GOh (320003@1)I will
GOh (320003@1)I will
Am (x02210@1)   C (x32010@1)      GI (320003@1)will keep you safe

Stay on G

GThe (320003@1)sun is overhead and you lift your face
GUp (320003@1)to the sky and you sing this place
    C (x32010@1)                     GThe (320003@1)sweetest song it's ever known
GThen (320003@1)slowly the deer and the rabbits crept
GOutside (320003@1)to hear, the grizzlies left
      C (x32010@1)               
Their great big teeth and their claws
   GAt (320003@1)home

AmDon't (x02210@1)be scared of avalanches
C (x32010@1)                             GTucked (320003@1)up in my snowy branches, I will
AmAnd (x02210@1)look how well the gray wolf dances
CYou (x32010@1)bring light and second chances
GI (320003@1)will
Oh I will
Oh oh I will
Oh oh I will
Oh oh I will
Yes, I will

I will
I will
Keep you safe

The ending I find difficult to figure out... Mess around with those 3 chords and you should find a way that works for you!!
The way I play it is a bit different. If you want to see my cover I will be uploading it to YouTube very soon!