Assertion: national park's visitor | /r/CapableOf | hike the upper geyser basin
Facets:
value: along the firehole river
type: LOCATION
Source sentences:
text: Visitors can learn more about the geothermal forces at the Old Faithful Visitor Education Center and then hike the Upper Geyser Basin along the Firehole River, home to around 60 percent of the world’s geysers.