What intersects Main Ave N / MN-139 when traveling from Harmony to the Cave?

When traveling from Harmony to Niagara Cave via Main Ave N / MN-139, County Road 30 is the key intersection to note. This road serves as an important junction and connects with MN-139, providing access to the scenic route leading to the cave. The route is well-traveled and is often part of directions provided to visitors heading to the cave, making it a critical point for guidance.

Other routes may connect to the area, but County Road 30 is specifically noted due to its direct interaction with MN-139 as travelers approach their destination. Understanding the layout and key intersections like this enhances the experience of guiding tourists by providing accurate navigational information.