| 1. Very small hills or very little stair climbing. Probably suitable for strollers and wheelchairs. Cumulative elevation gain from Starting Point up to 200 feet. | A. Almost entirely on pavement |
| 2. Some moderate hills and stair climbing. Probably suitable for strollers, but may not be suitable for wheelchairs. Cumulative elevation gain from Starting Point 200-1000 feet. | B. A significant part of the route is on well-groomed trails with very few obstacles. |
| 3. Some significant hill or stair climbing. Not suitable for strollers or wheelchairs. Cumulative elevation gaine from Starting Point 1000-2000 feet. | C. A significant part of the route is on somewhat difficult terrain (rocky/rooted paths or soft sand). |
| 4. Lots of significant hills or stair climbing. Cumulative elevation gaine from Starting Point 2000-3500 feet. | D. A significant part of the route is on very difficult terrain. |
| 5. Many steep hills. Cumulative elevation gaine from Starting Point more than 3500 feet. | E. The majority of the route is on very difficult terrain. |