AMP: 9
Location: SH-87 and MT-87, Fremont Cty
Welcome to Idaho! Multistate Highway 87 is a quick connector for traffic from Ennis heading to Idaho that wish to bypass West Yellowstone.
AMP: 9
Location: SH-87 and MT-87, Fremont Cty
9 miles to the southern terminus of Idaho 87 at US 20.
AMP: 3
Location: SH-87 and Lakeview Dr, Island Park
Reassurance shield a few miles later. We’re technically in Idaho’s most ridiculous city, Island Park. Google it, trust me.
AMP: 0
Location: SH-87 and US-20, Island Park
A couple miles later, we’ll approach US 20
AMP: 0
Location: SH-87 and US 20, Island Park
Turn right for 20 west and left for 20 east. Highway 87 ends here.
AMP: 0
Location: SH-87 and US-20, Island Park
Follow 20 east to West Yellowstone, MT. Follow 20 west to Ashton and Idaho Falls.
E to MT State Line, W to SH-47
