There is lots of shortcuts but you will need bombchus to get through them. You mainly see little holes and only a bombchu can get through them you get bombchus at Goran island
in the temple of wind
Get it in the Temple of Wind
there is no bombachu bag in the temple.
which part
You get it in the Wind Temple.
in the temple of wind
beat the goron temple
On the island of ruins
On Molida Island.
goron temple
finish goron temple, ice temple, and pyramid temple
the ice temple is on the isle of frost