On Betonwei, Harkema, Achtkarspelen, Friesland
45.70 mi
Length
308 ft
Elev gain
328 ft
Elev loss
13 ft
Max elevation
pavement 46%
gravel 36%
cobble 10%
sand 3%
dirt 3%
other 2%

Elevation Click the profile for Street View

Rondje Kollum gravel is a 45.7-mile loop route starting in Harkema, Friesland, in the Netherlands. It has 308 feet of climbing and 328 feet of descending. The surface mix is 46% pavement, 36% gravel, 10% cobble, 3% sand, 3% dirt, and 2% other. AI-generated description — details may not be fully accurate.
91 overlapping segments.
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