Koskeljärvi is located west of Pyhäjärvi, about 20 km south of the center of Eura municipality. The distance to Koskeljärvi is 70 km from both Turku and Pori and 50 km from Rauma.

• To the birdwatching tower in Latosaari, drive from road no. 2021 between Hinnerjoki and Mynämäki, where there is signage to the tower from the intersection at Kaupunginpääntie.
• To the tower in Vaaljärvi, drive from the road between Vaaljoki and Honkilahti, where there is signage to the tower.
• To the northern part Uhrattu, drive from road no. 210 between Yläne and Hinnerjoki, where in Honkilahti you take Uhratuntie.
• To Härkluoma, drive from the road (12542) between Heinlahti and Honkilahti. The signage starts at the village of Lellainen.

Parking areas are located in Uhrattu (Uhratuntie, Eura), Härkluoma (Härkluomantie, Eura), and Latosaari (Kaupunginpääntie, Eura). There are no exact addresses for the parking areas.