"I wish to also check on things." Said in a way that implies it will be quick but that he has to make sure there aren't any pressing matters in this place before they move on. It is also a way to see if there is any information about the path they will be taking to ensure they don't encounter any unfortunate delays.

"It will make us better prepared to continue."

That way the other at least knows what his intentions are to a point and might be able to help him with securing the area.