It is located in the municipality of Kampen, northeast of that city across the river IJssel.

[3] It was first mentioned in 1133 as "de Islemuthen", and means "the mouth of the IJssel river".

[4] It was a dike village along a former arm of the IJssel which became a little stream after the Mastenbroek was completed.

The Dutch Reformed Church dates from 1200, but was extensively rebuilt in 1911 to 1912.

It was decided to build the station 350 metres to the west on a plot of land belonging to Kampen.