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US-20/ID-87 Junction

ID-87 Idaho/Montana State Line
US-20 US-20/ID-47 Junction
US-20 Idaho/Montana State Line
End ID-87 South at US-20

End ID-87 South at US-20

End ID-87 South at US-20 in Island Park.

End ID-87 South at US-20

End ID-87 South at US-20

End ID-87 south at US-20, to Ashton, Idaho Falls, and W. Yellowstone.

ID-87 North

ID-87 North

ID-87 north, north of US-20.

End ID-87 South at US-20

End ID-87 South at US-20

End ID-87 south at US-20, to Ashton, Idaho Falls, and W. Yellowstone.

ID-87 North - Distance Marker

ID-87 North - Distance Marker

Distance marker on ID-87 north. Distance to Quake Lake, Ennis, and Helena. All three of these destinations are in Montana. ID-87 is a short state highway that follows the east shore of Henrys Lake, before climbing to the Continental Divide at Raynolds Pass on the Idaho-Montana line.