Robomow RC and RS models can mow areas inside the working area that slopes up to 20 degrees or 36% (1.2ft rise per 3.3ft). Robomow RX models can mow areas inside the working area that slope up to 8.5 degrees or 15% (0.5ft rise per 3.3ft). The illustration below provides more detail on how Robomow handles slopes:
How to Calculate the Slope of Your Lawn
Measure the horizontal length (run) of the sloped area starting at level ground as well as the elevation (rise) of the slope. Here is the formula that you can use to calculate the slope of your lawn:
