
Roosevelt Arch
Overview
About This Attraction
A 52-foot-tall basalt arch spans the Gardiner road, its rough-hewn blocks forming a stout gateway. The main opening measures 30 by 25 feet with 12-foot-wide flanking towers, all built in a rustic aesthetic from locally quarried stone. This is a man-made monument, dedicated in 1903 and tied to Theodore Roosevelt’s entrance-era vision for Yellowstone, inscribed with the park’s foundational phrase. The rock’s volcanic origin ties the arch to Yellowstone’s deep-time volcanic history even ...
Quick Facts
Historic Monument
Drive-up viewing; generally accessible by car and short walks around Arch Park
Main Features
Monumental arch built from locally quarried columnar basalt; Rustic design; 52 ft tall; opening 30 by 25 ft; flanking towers 12 ft wide
What You'll See
The arch spanning the Gardiner road, Arch Park with picnic tables, and the nearby Yellowstone River; swallows nesting in the arch overhead
What Makes It Special
First major entrance marker for Yellowstone; built in 1903 and dedicated by Theodore Roosevelt; constructed from Gardiner basalt and inscribed with 1872 park legislation
Best Time to Visit
Open year-round to vehicles; sunrise light hits the arch, and the golden hour provides strong photography opportunities.
Safety Considerations
Traffic congestion can occur in peak season; stay mindful of pedestrians crossing near the arch; wildlife awareness in meadows; no on-arch safety barriers
Visitor Tips
- Arrive early in peak season to secure parking near the north entrance.
- Stand under the arch and look up through the opening for a frame that highlights the basalt blocks.
- Watch for swallows nesting in the arch and keep a respectful distance.
- Arch Park offers picnic tables; plan a quick stop before continuing your drive.
Information is compiled from official sources, verified traveler reviews, and editorial research. Learn how YourNPGuide works →



