My instinct as someone who has played thousands of shitty maps like these (most in SP, but some in MP too) is to move. But SiP can't be bad. I don't know how much the map is edited though.
The river looks to be bending east to me, meaning another river tile or two in the fog if moving.
The river looks to be bending east to me, meaning another river tile or two in the fog if moving.