(click map to open very large locator map - this section is green)
0.0
Roosevelt Arch
The road passes through the Roosevelt Arch just before entering the park itself. The arch commemorates the creation of the world's first national park, as said on the arch, "Created by act of Congress March 1, 1872.
0.1
North Entrance
The entrance sign provides a second welcome beyond the arch to Yellowstone National Park.
0.5
Entrance Station
The road passes through the entrance station here. The park entrance fee must be paid or a valid pass shown.
1.1
Rescue Creek Trailhead
The road goes by the parking area for the Rescue Creek Trailhead. This is a long dayhike or short overnight hike into the Yellowstone backcountry that receives very little use.
2.9
Boiling River Trailhead
Parking areas for the Boiling River area are on both sides of the road. An easy half mile trail leads to a spot on the Gardner River where a hot spring discharge enters, significantly heating the surrounding river water. Originally popular mainly with employess and locals, this is now an extremely popular spot at all times of the year.
4.1
Lava Creek Trailhead
The road passes by a small parking area for the Lava Creek Trailhead. This is another hike similar to the Rescue Creek trail above, but it is much more heavily used, frequently by horse parties. Undine Falls, more often seen on the Mammoth to Tower section of Grand Loop Road, can be seen from a different perspective from this trail.
4.5
Mammoth Campground
The Mammoth Campground is on the right side. This is the only campground in the park that is open all year.
5.3
Mammoth Junction
The road arrives at Mammoth Junction. A left turn joins the Mammoth to Tower section of the Grand Loop Road. Straight ahead is the Norris to Mammoth section.
