| Harper Doubletrack Climb | | | n The Harper Mountain network is opefor the season as of May 1. |
| Ket-R-Done | | | n The Harper Mountain network is opefor the season as of May 1. |
| Unicorn DH | | | n The Harper Mountain network is opefor the season as of May 1. |
| Tempus Fugit | | | n The Harper Mountain network is opefor the season as of May 1. |
| Gnarwahl | | | n The Harper Mountain network is opefor the season as of May 1. |
| Nate's Lower | | | n The Harper Mountain network is opefor the season as of May 1. |
| Pimpernot - Upper | | | n The Harper Mountain network is opefor the season as of May 1. |
| Connector Road | | | n The Harper Mountain network is opefor the season as of May 1. |
| Connector | | | n The Harper Mountain network is opefor the season as of May 1. |
| Unknown | | | n The Harper Mountain network is opefor the season as of May 1. |
| Pimpernot - Lower | | | n The Harper Mountain network is opefor the season as of May 1. |
| Nate's Upper | | | n The Harper Mountain network is opefor the season as of May 1. |
| Easy Rider Lower | | | n The Harper Mountain network is opefor the season as of May 1. |
| Harper Mountain Road | | | n The Harper Mountain network is opefor the season as of May 1. |
| Access Road | | | n The Harper Mountain network is opefor the season as of May 1. |
| Pimpernot - Middle | | | n The Harper Mountain network is opefor the season as of May 1. |
| Harper Shuttle Road | | | n The Harper Mountain network is opefor the season as of May 1. |
| Chase On | | | n The Harper Mountain network is opefor the season as of May 1. |
| Easy Rider Upper | | | n The Harper Mountain network is opefor the season as of May 1. |
| T.E.A. Time | | | n The Harper Mountain network is opefor the season as of May 1. |
| Nate's shortcut | | | n The Harper Mountain network is opefor the season as of May 1. |
| Cucwéll Road Connector | | | n The Harper Mountain network is opefor the season as of May 1. |
| Cucwéll Viewpoint Connector | | | n The Harper Mountain network is opefor the season as of May 1. |
| Cucwéll Upper | | | n The Harper Mountain network is opefor the season as of May 1. |
| Cucwéll - Blue Flow Line | | | n The Harper Mountain network is opefor the season as of May 1. |
| Cadence's Climb | | | n The Harper Mountain network is opefor the season as of May 1. |
| Parking Access | | | n The Harper Mountain network is opefor the season as of May 1. |
| Cucwéll Lower | | | n The Harper Mountain network is opefor the season as of May 1. |
KMBTA