Japaneck, Tripoint in Lichterfelde, Germany.

Japaneck is the geographic name for the tripoint where Berlin meets the Brandenburg counties of Teltow-Fläming and Potsdam-Mittelmark. It lies between Lichterfelde-Süd in Berlin, Osdorf in the municipality of Großbeeren and Sigridshorst in Teltow, where the city boundary makes an almost right-angled bend. Until 1990 the West Berlin–GDR border ran here, and its wide security strip has remained largely unbuilt. A memorial stone with a bronze plaque marks the spot.

The name Japaneck dates from 1989, when reporters of the Japanese broadcaster TV Asahi visited Teltow. After the Wall fell, the Sakura Campaign collected donations from about 20,000 Japanese, and the proceeds of roughly one million euros funded the planting of over 1,000 Japanese cherry trees in April 1995. Until 1990 the Berlin city boundary here formed an almost right-angled bend, and the wide strip of the GDR border installations has largely remained unbuilt.

The name comes from a 1989 visit by reporters of the Japanese broadcaster TV Asahi to Teltow. After the Wall fell, the Sakura Campaign collected donations from about 20,000 Japanese, roughly one million euros, used in April 1995 to plant over 1,000 Prunus serrulata trees. The 1.8 km TV-Asahi-Kirschblütenallee along the Berlin border is celebrated each spring with Hanami, the Japanese cherry-blossom viewing.

The Berlin Wall Trail, the Teltower Dörferweg and the Jakobsweg all cross the Japaneck. The TV-Asahi cherry avenue runs northwest along the Berlin state border for 1.8 km to the Lichterfelder Allee, crossed midway by the Berlin–Halle railway and the S-Bahn line to Teltow. The border strip has stayed largely unbuilt, so the paths run through open ground.

In 1995, around 1,000 Japanese cherry trees were planted here, forming a 1.8-kilometer avenue along the Berlin state border. Every spring, their blossoms serve as a reminder of the connection between Japan and this border region.