Grizzly Giant

Overview

Grizzly Giant is the marquee giant sequoia of Mariposa Grove—famous for its age, gnarled personality, and unmistakable lean. It stands about 209 feet tall with an estimated trunk volume near 34,000 cubic feet, and a largest branch more than six feet thick. Current estimates place its age around 2,995 years (±250), making it the oldest known tree in the grove.

Why it matters

This tree helped sell the American public on the reality and scale of California’s “big trees.” 19th‑century photographs and paintings featuring Grizzly Giant fueled national fascination and conservation momentum. Presidents Theodore Roosevelt (1903) and William Howard Taft (1909) paid their respects here—fitting for a grove that became part of an early landmark in public-land protection.

What you’ll see

Expect a massive, weathered trunk and sprawling limbs shaped by centuries of fire and storms. The tree has survived lightning strikes and heavy fire damage, and it has a notable lean that’s been monitored since the early 1900s. Sprinklers were even deployed around it during the 2022 Washburn Fire—proof of its star status and the active stewardship here.

Getting there

Park at the Mariposa Grove Welcome Plaza near the South Entrance. When operating (typically mid‑spring through fall), a free shuttle runs to the Grove Arrival Area. In winter, the road closes to private vehicles and you’ll hike in about two miles via the Washburn Trail or the closed road. Vehicles with a disability placard may be allowed to drive up the Mariposa Grove Road with limited parking at the Arrival Area or near Grizzly Giant. Bicycles are allowed on the Mariposa Grove Road when it’s open (not on trails). Pets aren’t allowed on trails or shuttles.

Trails and time on foot

The Grizzly Giant Loop (about 2 miles, ~300 feet of gain) links Grizzly Giant with the Bachelor and Three Graces and the California Tunnel Tree. From the accessible parking area, a very short, easy out‑and‑back (listed around 0.26 mile round‑trip) reaches Grizzly Giant and the Tunnel Tree.

Amenities

Restrooms: Vault/pit toilets are near Grizzly Giant, with additional restrooms at the Welcome Plaza and Arrival Area. Water: Potable water is available at the Welcome Plaza year‑round and at the Arrival Area in summer only. There are no food services at the plaza or in the grove, so bring what you need.

Seasons and conditions

At roughly 5,600–6,600 feet, expect snow and ice in winter and warm, dry conditions in summer. Dress in layers, carry sun protection, and bring plenty of water. During fire season, smoke can impact air quality and views.

Best time to visit

Go early or late for softer light, cooler temps, and fewer people. Weekends—especially Saturday afternoons—are the busiest; weekdays and mornings are typically calmer. If shuttles aren’t running, factor in the two‑mile approach from the Welcome Plaza.

Wildlife

You’re in Sierra mixed conifer forest—keep an eye out for mule deer, squirrels and chipmunks, and birds like woodpeckers and Steller’s jays. Observe from a distance and never feed wildlife.

Etiquette and preservation

Stay behind fencing and on established routes—sequoia roots are shallow and easily compacted. Respect closures, pack out trash, and keep food secured.