The phrase "surest path" means the most certain or reliable way to accomplish something or reach a goal. It refers to choosing the most direct and guaranteed method to achieve success. Full definition
Besides making sure the path is clear, make it prominent in your photos: Snap the photo from a higher vantage point. (realtormag.realtor.org)
Add in the lack of extra support by coughing up so many picks and I'm not sure the path you're talking about is there, let alone feasible. (sbnation.com)