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Näherungsprofil aus SRTM-Höhendaten entlang der OSM-Routensegmente (ca. 90 m Raster)","lowestM":36,"highestM":58,"elevationDataCoverage":100,"duration":"ca. 1:15 Std.","durationNote":"Automatische Fahrzeitschätzung aus Distanz, Höhenmetern und OSM-Untergrund","difficulty":"leicht","difficultyNote":"Automatische Einordnung aus Distanz, Steigung, Untergrund und Routentyp","bikeRecommendation":"Tourenrad, Trekkingrad oder Gravelbike","tagline":"17,4 km · ca. 90 hm · Nordrhein-Westfalen","summary":["Sunderhook-Tour verbindet Gronau mit Gronau. Der GPX-Track ist 17,4 km lang und verläuft durch Nordrhein-Westfalen und Overijssel. In OpenStreetMap trägt die Route die Kennung „GR7“.","Der Track kommt auf 17,4 km und rund 90 Höhenmeter; der höchste Punkt liegt bei etwa 58 m. Laut OSM sind 37 % des Gesamttracks als Asphalt erfasst; für 57 % ist der Belag in OSM angegeben. Aus Distanz, Höhenmetern und Belag ergibt sich als grobe Fahrzeitschätzung ca. 1:15 Std."],"metaDescription":"Sunderhook-Tour: 17,4 km, ca. 90 hm in Nordrhein-Westfalen. GPX-Track, Karte, Höhenprofil, Belag und Quellen.","editorialMetadata":{"textType":"automatisch aus offenen Routendaten erstellt","generatedAt":"2026-07-16","version":1,"reviewed":false,"note":"Nicht redaktionell befahren; Sperrungen und Beschilderung vor dem Start prüfen."},"slug":"sunderhook-tour-18339","sources":[{"label":"OpenStreetMap-Routenrelation","url":"https://www.openstreetmap.org/relation/18339","note":"Geometrie und strukturierte Routentags · ODbL 1.0"},{"label":"Routenseite","url":"https://gronau-inside.de/erleben-entdecken/radtouren/radfahren","note":"In OpenStreetMap verlinkte Website"}],"openDataMetadata":{"retrievedAt":"2026-07-15T23:15:55+00:00","osm":{"relationIds":[18339],"taggedRelations":1,"license":"ODbL 1.0","licenseUrl":"https://opendatacommons.org/licenses/odbl/1-0/"}}}