It is about 11 kilometres (6.8 mi) long and flows entirely within the territory of the borough of Walsrode (Heidekreis district.

It rises in a valley between two parallel end moraines formed in the Saalian Ice Age.

Another source appears 2.5 kilometres (1.6 mi) northwest of the village of Fulde, which gave the stream its name.

From there the Fulde runs through, at times, picturesque scenery between steep, grass-covered, clay banks and fish ponds south of the Walsrode town forest of Eckernworth, where the Rischmannshof Heath Museum is located, crosses the centre of the town through the Fulde Park with its town hall and joins the River Böhme south of the Walsrode Abbey lake.

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