Some information about the Lemström Canal with its bridge might be needed when planning your sailing trip in Åland. Lemström Canal was built in 1882 in order to connect the sea inlet east of Mariehamn to Lumparn which is a popular sea route.

Opening hours of the bridge

There is a bridge over the canal with a vertical clearance of 3.3 meters. During the peak season the bridge is opened for boats every even hour daytime according to the following schedule.


Regular opening hours in 2019, daily

27 April – 17 May at 9.00–17.00
18 May – 7 June at 9.00–19.00
8 June – 11 August at 8.00–22.00
12 August – 22 September at 9.00–17.00

The bridge is opened every even hour for approximately 10 minutes, e.g. from 12 o’clock noon til 12.10 pm. For the bridge opening you will need to be waiting by the canal in good time. Before the last opening of the day at 17.00, 19.00 or 22.00 o’clock the bridge is opened, if needed, 10 minutes prior to the normal opening time.


Additional opening hours – free of charge

In the spring (after breaking up of ice until 26 April 2019) or in the autumn (23 September – 30 November 2019) the bridge can be opened daytime Mon–Thu at 8.00–16.00 and Fri at 8.00–14.00 upon agreement with the bridge ward at the latest 2 hours before, phone + 358 18 33731. The bridge opening takes always place even hours. Check the routines for a regular opening above.    


Additional opening hours – for extra fee

Other times the bridge can be opened Monday–Sunday at 06.00 – 23.00 o’clock against a fee of 80 € / opening. Contact the bridge ward at the latest 12 hours before, phone + 358 18 33731. The bridge opening takes always place even hours. Check the routines for a regular opening above.  



For more information contact the Traffic Department of the Government of Åland, Ålands landskapsregering by Phone +358 457 529 5060 or visit their homapage.  

Good to know

  • There are traffic lights and information about the bridge opening at the entrance to the canal.
  • Your boat’s mast height may not exceed 3.3 m in order to drive through without a bridge opening.
  • Max. speed in the area is 9 km/h.
  • The channel is 350 meters long.



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