Circuito de senderismo de 68.57 km desde Skinner State Park. El desnivel positivo es de 2788 m, con una altitud entre 49 m y 432 m. Duración estimada: 25 h 20 min. Municipio de salida: Skinner State Park (Massachusetts, États-Unis).
Esta ruta incluye 10 subidas significativas. Con un desnivel acumulado de 1938 m a lo largo de 22.54 km, con una pendiente media del 8.6%.
- Climb 1 (at km 1.65 km): +157 m over 1.25 km, average slope 12.6%
- Climb 2 (at km 5.36 km): +152 m over 1.72 km, average slope 8.8%
- Climb 3 (at km 11.23 km): +121 m over 1.70 km, average slope 7.1%
- Climb 4 (at km 14.09 km): +103 m over 1.42 km, average slope 7.2%
- Climb 5 (at km 32.68 km): +293 m over 4.50 km, average slope 6.5%
- Climb 6 (at km 49.04 km): +365 m over 4.33 km, average slope 8.4%
- Climb 7 (at km 54.38 km): +239 m over 2.51 km, average slope 9.5%
- Climb 8 (at km 59.02 km): +184 m over 1.39 km, average slope 13.3%
- Climb 9 (at km 61.25 km): +74 m over 941 m, average slope 7.9%
- Climb 10 (at km 66.41 km): +250 m over 2.78 km, average slope 9.0%
