Apollinaris Spring
Apollinaris Spring emerges in Yellowstone National Park just 95.2 meters from Grand Loop Road at 7,580 feet elevation near Norris Geyser Basin. Recent USGS measurements recorded relatively cool water at 8.4°C (47°F) with acidic pH of 5.4, suggesting this feature differs from typical hot springs despite its thermal area location. The spring flows under National Park Service permanent protection with roadside access.
Located along the Grand Loop Road between Norris and Mammoth in Yellowstone's northern section, the spring sits at 7,580 feet elevation where lodgepole pine forests transition to thermal-influenced terrain. The setting features dense conifer growth near the road with views toward surrounding ridges and thermal areas. Annual snowfall reaches 138.2 inches while precipitation totals 27.7 inches, creating long winters where snow covers the landscape from November through May. Average annual temperatures of 35.3°F reflect the harsh high-elevation climate. The spring's position near major thermal features but with cooler discharge suggests complex underground mixing of thermal and meteoric waters.
Historical accounts describe Apollinaris Spring as a popular roadside stop during Yellowstone's early tourism era, named after the European mineral water brand Apollinaris for its perceived healthful qualities. Visitors once collected the spring's water, considered palatable and refreshing compared to sulfurous thermal waters elsewhere in the park. The spring's accessibility made it a regular coach stop on the Grand Loop tour circuit. Current regulations prohibit drinking or collecting water from park springs due to water quality and preservation concerns.
Visit from late May through October when Grand Loop Road is open; winter brings road closures and extreme conditions. The spring sits just 95 meters from parking areas, making it easily accessible for visitors of all abilities. Indian Creek Campground 5.0 km distant offers reservable sites at 7,300 feet elevation with views of Electric Peak. The cool water provides refreshing contrast to boiling features nearby. Combine with exploration of Norris Geyser Basin and Mammoth Hot Springs thermal terraces.
Is Apollinaris Spring worth visiting?
Best for
- Easy day trips
- Overnight camping trips
The water at Apollinaris Spring is acidic (pH 5.4).
Overview Located about eight miles (13 km) south of Mammoth Hot Springs on the road to Norris, Indian Creek Campground—elevation 7,300 feet (2225 m)—sits near the base of the Gallatin Mountains and offers breathtaking views of Electric Peak. The area offers easy access to fishing and hiking. The campground is away from the main road and provides a quieter, more primitive, experience than many other locations. For reservations at the campgrounds managed by Yellowstone National Park Lodges (Fi...