Crystal Lake is one of two stations on Metra's Union Pacific/Northwest Line located in Crystal Lake, Illinois. The station is two stops away from the line's terminus at Harvard, and many trains on the Northwest Line only run as far as Crystal Lake. A large coach yard is adjacent to the station and has additional storage tracks to store trains during off-peak hours. The station is 42.9 miles (69.0 km) away from Ogilvie Transportation Center. Parking is available at the station.
- 806: Crystal Lake - Fox Lake
- 808: Crystal Lake - Harvard