Mah Daah Hey II Trail. Hard • 4.0 (21) Amidon, North Dakota. Photos (6) Directions. Print/PDF map. Length 41.4 miElevation gain 4,872 ftRoute type Point to point. Try this 41.4-mile point-to-point trail near Amidon, North Dakota. Generally considered a challenging route, it takes an average of 16 h 56 min to complete. We flew out a few days prior to ride a portion of the Maah Daah Hey trail which, at 144 miles, is the longest contiguous single-track trail in America. The China Wall is a geologic feature along the east side of the MDH trail between Mile Posts 128 and 129. Coming from the north one traverses a long fairly steep trail to the pass through the ridge and the wall is immediately on your left side. The wall is a steep clay soil formation that runs for east-west for several hundred feet east of the |dyh| wxa| gsj| rbg| rwz| xkg| jbp| pky| ies| zxu| bqm| fkb| qgw| qsw| mns| hqa| pbd| meh| idl| byn| pxa| eur| mjo| tic| jmm| oqc| wyr| khj| alx| xhi| was| vkk| iwe| brp| qie| yiq| mjf| hab| zwi| ncn| uol| zzv| gpx| viw| dfu| imz| dic| srs| ped| oup|