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Darmstadt District

Altengronau 1,200-Year Commemorative Stone

Darmstadt District

Altengronau 1,200-Year Commemorative Stone

Highlight • Monument

Altengronau 1,200-Year Commemorative Stone

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Naturpark Hessischer Spessart

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Location: Sinntal, Main-Kinzig-Kreis, Darmstadt District, Hesse, Germany

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MS 🚴‍♂️

August 24, 2025

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The oldest known documented mention of Altengronau appears in a Latin document, according to which a certain Hainradus bequeathed the village of Gruona above the Gaza River (today: Jossa) to the monastery of Echternach for the salvation of his soul. The document bears the tenth year of Charlemagne's reign as its only dating feature. According to the Luxembourg historian Henri-Camille Wampach's observations on the dating of Echternach documents, Hainradus' donation was dated to the year 780. This date is now generally accepted as the first documented mention of Altengronau.

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MPS

October 21, 2024

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Memorial stone on the occasion of the 1,200th anniversary in 1980.

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Nearby routes

Best routes near Altengronau 1,200-Year Commemorative Stone

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#1.

Sinn River – Jossatal Viaduct loop from Altengronau

16.0km

01:05

130m

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

5.0

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#2.

Rhön-Sinntal Cycle Path – Sinn Bridge Altengronau loop from Vollmerz

42.3km

02:40

490m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

5.0

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#3.

Sinn Bridge Altengronau – Rhön-Sinntal Cycle Path loop from Kothen

45.6km

02:55

560m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

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Informations

Elevation 230 m

Weather

Saturday 25 July

27°C

10°C

11 %

Additional weather tips

Max wind speed: 24.0 km/h

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Location: Sinntal, Main-Kinzig-Kreis, Darmstadt District, Hesse, Germany

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Altengronau 1,200-Year Commemorative Stone

#1.

Sinn River – Jossatal Viaduct loop from Altengronau

#2.

Rhön-Sinntal Cycle Path – Sinn Bridge Altengronau loop from Vollmerz

#3.

Sinn Bridge Altengronau – Rhön-Sinntal Cycle Path loop from Kothen

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