OoT: Invisible path on Death Mountain Trail

[03bgood]

It's the area where you need to blow up the boulders and before the falling molten rocks. You can see through the path, including the hidden alcove that has a small treasure chest.

[hizzlekizzle]

Can you post a screenshot? Which RDP/gfx plugin are you using? IIRC, z-fighting is very common with the default Glide64 plugin and there's some setting to adjust to deal with it.