Lambertuskerk

The Gertrudiskerk (Church of St. Gertrudis) in Achlum is a historic temple built in the 12th century and listed as a National Monument of the Netherlands. The interior of the church dates from around 1650 and is largely still in its original state.

Reformed Church. Very old (12th century) tuff stone church building with somewhat younger brick choir. Tower below made of tuff stone, raised in 1516. Above the northern entrance a relief of red sandstone from the 12th century. Southern entrance through a gate from 1516. Beautiful interior according to a memorial plaque from 1695, consisting of panelling, choir fencing, pews with carved cheek pieces, pulpit with baptismal fence; furthermore a family pew. Tiara and van Heemstra, memorial plaque of Heemstra, with painted coat of arms, portrait of Ida van Heemstra and coat of arms plaque and memorial plaque from 1798. Gravestone of Heemstra's by Jacob Lous 1614. Organ made in 1858 by W. Hardorff.

Dutch Reformed Church. 13th century brick church with semi-circular closed choir; plastered in the 19th century and provided with a tower (in 1883). Internal pulpit, baptismal fence, two family pews, carved cheeks of pews. Organ by Bakker and Timmenga from 1914 using older parts. Bell tower with bell by G. van Wou, 1550, diam. 79 cm. Mechanical tower clock.