Brouwerij Diggelfjoer is a craft brewery from Friesland, the Netherlands, founded as an initiative by four friends: Jelmer Pultrum, Erik Frieso, Udo Hoekstra, and Jan Jongsma-Visser. The brewery is based in the Frisian region, with roots in Drachten and a presence in Boornbergum. Its name and identity are deeply rooted in Frisian culture, as reflected in its motto 'Bier fan Fryske grûn' — meaning 'Beer from Frisian soil' — signalling a strong regional pride and local character. Diggelfjoer focuses on crafting specialty beers that carry the spirit of Friesland. Their regular assortment includes distinctive styles such as a Fryske Imperial Stout, showcasing an ambition to brew bold and characterful beers. The brewery represents a grassroots approach to craft brewing, built on friendship and a shared passion for quality beer rooted in local identity. The brewery has gained recognition within Dutch craft beer circles and has been featured in events and platforms dedicated to Dutch beer culture, including the Stichting Erfgoed Nederlandse Biercultuur. Diggelfjoer stands as a proud ambassador of Frisian brewing craftsmanship.