Willem Kupper > Trail Favorites List

7.4 mi 12.0 km Dog Canyon to Devil's Den Loop Difficult Big Bend National Park, TX	Difficult	Big Bend National Park, TX	6
5.6 mi 9.1 km Window Trail Intermediate Big Bend National Park, TX	Intermediate	Big Bend National Park, TX	109
13.2 mi 21.2 km Marufo Vega Trail Difficult Big Bend National Park, TX	Difficult	Big Bend National Park, TX	18
40.2 mi 64.7 km Greenstone Ridge Trail Difficult Isle Royale, MI	Difficult	Isle Royale, MI	6

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