2 articles on steep hills — guides, reviews and comparisons from the team that measures real lawns.
Customer Installs Navimow X430 vs. Maryland's Steepest Lawn: Annapolis Install The steepest lawn we've ever installed on: gas crews tore up this hilly Annapolis, MD property for years. How an AWD Navimow X430 made it 100% autonomous. 
Customer Installs No More Mowing Hills: A Navimow X430 on a Carlisle, PA Septic Mound See how a professionally installed Segway Navimow X430 handles a steep septic mound in Carlisle, PA — RTK roof mount, buried cables, and multi-zone mapping. 