Romkerhall, Hotel and restaurant in Goslar, Germany.

Romkerhall is a hotel, restaurant, and cafe located near the Oker River at about 335 meters above sea level in the Harz Mountains region. The building offers views of the surrounding mountain landscape and allows visitors to enjoy meals or overnight stays within this setting.

The site was founded in 1863 when innkeeper H. Lüer built the first inn, laying the foundation for later development. This was followed by the construction of a promenade path that established the location as a destination for excursions.

Since 1988 the changing operators of the inn have marketed the site as the "Kingdom of Romkerhall", arguing that the property belongs to no municipality but lies in an unincorporated area. The name Romkerhalle, earlier Rohmker-Halle, came into use with Lüer's inn and lodging house in 1863 and refers to the Große and Kleine Romke streams that enter the Oker here.

Romkerhall sits on the B 498 in the Oker valley, about 5 km south of Oker and 1.5 km northeast of the Oker Reservoir, at roughly 335 m above sea level. A public car park lies opposite the waterfall. The site is in an unincorporated area, so navigation and emergency addresses follow the Goslar district rather than a municipality.

The waterfall is artificial: water from the Kleine Romke is diverted along a roughly 350-metre hillside channel to the Romke Klippe crags. Laid out in 1863 to draw visitors to Lüer's new inn, it ran only in the afternoons and resembled the Staubbach Fall in Switzerland's Lauterbrunnen valley. Its height is given as 64 metres by tradition, while the Lower Saxony survey records 50 metres.