Depends how it looks. Foresty bit I'd say yes. Even a sufficiently rubbly crater. But a smooth pit, that exists for some reason, I'd say no.
Basically, sort this stuff out with your opponent pre-game. Saves a lot of hassle and leaving things to the will of the dice gods when you eventually just roll a d6 for it.
Dark Angels. The Rock. Lion El "Dwayne" Jonson. I can't be the first person to have thought of this.