Highlight • Waterfall
Hiking
5.0
(11)
Running
5.0
(1)
Rainbow Falls is a spectacular 101-foot waterfall located in the eastern Sierra Nevada mountains of California, within the scenic Devils Postpile National Monument. As the highest waterfall on the Middle Fork of the San Joaquin River, it plunges dramatically from an elevation of approximately 2250 metres. The falls are famously named for the vibrant rainbows that frequently appear in its mist on sunny summer days, creating a truly memorable natural spectacle. This area is also renowned for its unique geological features, including the platy rhyodacite cliffs surrounding the falls, formed by ancient lava flows about 75,000 years ago.
Visitors are consistently captivated by the sheer power and beauty of Rainbow Falls. The opportunity to witness a full spectrum rainbow arching through the mist is a highlight for many, making it a popular destination for nature lovers and photographers alike. The surrounding landscape, nestled within the Ansel Adams Wilderness, offers a profound sense of tranquility and natural grandeur that hikers cherish.
Before heading out, it's helpful to know that Rainbow Falls is situated a short distance off the Pacific Crest Trail, making it accessible for both day-trippers and long-distance hikers. During peak season, typically from mid-June to Labor Day, access to Devils Postpile National Monument often requires using a mandatory shuttle bus from Mammoth Mountain's Adventure Center. Planning your visit around these logistics, including Rainbow Falls parking information, ensures a smoother experience. The trail to the falls is generally considered moderate, so comfortable hiking shoes are recommended.
The best time to visit Rainbow Falls waterfall is during sunny summer mornings, when the sun's angle is ideal for creating its namesake rainbows. This period also offers pleasant hiking conditions. Beyond simply viewing the falls, the area provides opportunities for exploring the wider Devils Postpile National Monument, which protects the unusual columnar basalt formation of Devil's Postpile, and connecting with sections of the John Muir Trail and Pacific Crest Trail.
Experiencing Rainbow Falls means more than just seeing a waterfall; it's about immersing yourself in a dynamic natural environment. Hikers often describe the thrill of feeling the cool spray, observing the turbulent water below, and appreciating the unique geological formations that tell a story of ancient volcanic activity. The feeling of being surrounded by the vastness of the Sierra Nevada mountains adds to the profound sense of adventure.
Whether you're looking for a family-friendly hike or a more challenging trek, the trails around Rainbow Falls offer diverse options. You can discover various routes and plan your adventure to this iconic California landmark using komoot, ensuring you find the perfect path to experience the falls and the surrounding wilderness.
This Highlight is in a protected area
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Tips
May 6, 2016
Hiking
January 24, 2024
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Nearby routes
Best routes near Rainbow Falls

16
hikers
4.25km
01:10
40m
100m
Embark on an easy hike along the Rainbow Falls via Devils Postpile Trail, a route that guides you through a serene pine forest beside the Middle Fork San Joaquin River. This 2.6-mile (4.3 km) journey, with a gentle 133 feet (40 metres) of elevation gain, offers a refreshing escape that typically takes about 1 hour and 9 minutes to complete. You will encounter the striking hexagonal basalt columns of Devils Postpile, a geological wonder that stands tall amidst the trees. The trail culminates at the magnificent 101-foot Rainbow Falls, where you can often witness vibrant rainbows dancing in the mist, especially around midday. It's a perfect outing for those seeking natural beauty without a strenuous climb.
When planning your visit, be aware that access to Devils Postpile National Monument, where this trail is located, often requires using a mandatory shuttle system. During the peak season, usually from mid-June to early September, private vehicles are restricted, so plan to use the shuttle to reach the trailhead. Given the high altitude and potential for sun exposure in open sections, remember to bring plenty of water and sunscreen to stay comfortable and hydrated throughout your hike.
This trail offers a unique opportunity to observe nature's resilience, as you will pass through areas that are recovering from the 1992 Rainbow Fire. Look for new growth and wildflowers that have emerged, showcasing the ecosystem's ability to regenerate. The geological formations and the powerful waterfall make this route a highlight within the monument, providing a memorable experience for all who visit.

1
hikers
3.13km
00:51
0m
130m
Embark on an easy hike along the Rainbow Falls Trail, a gentle 1.9-mile (3.1 km) route that guides you through the natural surroundings of Devils Postpile National Monument. You will experience a minimal elevation gain of just 5 feet (2 metres), making this a very accessible path for most hikers. Expect a pleasant walk that takes approximately 51 minutes to complete, leading you directly to the impressive Rainbow Falls, where you can enjoy the views and the sound of cascading water.
Before you head out, be aware that the trail is located within Devils Postpile National Monument, and access to the monument is often restricted to shuttle bus service during peak season. It is wise to check the official park website for current operating hours and any permit requirements before your visit. While parking is available at Reds Meadow Resort and other designated areas, using the shuttle is highly recommended to ensure a smooth experience.
The main highlight of this route is undoubtedly Rainbow Falls, a significant landmark in the area and the trail's namesake. This destination offers a rewarding experience, allowing you to witness the powerful waterfall up close. The entire journey provides a serene atmosphere, perfect for those seeking a short, impactful outdoor adventure within the unique geological setting of the monument.

35
hikers
3.85km
01:06
90m
90m
Hike the easy 2.4-mile Rainbow Falls Trail in Devils Postpile National Monument to see the impressive waterfall and forest recovery.
Details
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Elevation 2,250 m
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Rainbow Falls is located within Devils Postpile National Monument. During peak season (typically mid-June to Labor Day), access often requires using a mandatory shuttle bus from Mammoth Mountain's Adventure Center. This helps manage traffic and parking within the monument. Parking is available at the Adventure Center for shuttle users. It's advisable to check the official NPS website for the most current shuttle schedule and operating dates.
While the area is beautiful in winter, access to Rainbow Falls can be challenging. The shuttle bus service typically ceases operations after the summer season, and roads may be closed due to snow. Winter visits often require a much longer hike or snowshoe trek, and conditions can be harsh. It's crucial to check current weather and trail conditions with the National Park Service before attempting a winter visit.
Yes, dogs are generally allowed on trails within Devils Postpile National Monument, including the path to Rainbow Falls, but they must be kept on a leash at all times. Please remember to pack out all pet waste. Always verify current regulations on the National Park Service website as rules can change.
The most direct route to Rainbow Falls is a moderate hike from the Devils Postpile Ranger Station. Many hikers combine this with a visit to Devils Postpile itself. For a longer adventure, the falls are also accessible via sections of the Pacific Crest Trail and John Muir Trail, which merge as they pass through the monument. There are also options for loop trails that incorporate both landmarks, offering diverse perspectives of the landscape.
From the shuttle stop near Devils Postpile, the hike to Rainbow Falls is approximately 2.5 miles round trip, typically taking 1.5 to 2 hours, depending on your pace and how long you spend at the falls. If you choose to hike from the Reds Meadow Resort area, it's a slightly longer trek. Always factor in time for enjoying the views and taking photos.
Beyond the waterfall itself, the cliffs surrounding Rainbow Falls are composed of platy rhyodacite, formed by ancient lava flows about 75,000 years ago. You can observe how the water erodes the vertically fractured rock, a process known as undercutting, which has caused the falls to recede upstream by about 500 feet over time. This geological history is a fascinating aspect of the area.
Given the moderate difficulty of the trails, comfortable and sturdy hiking shoes are essential. Layers of clothing are recommended as temperatures can vary, especially in the mountains. Don't forget water, snacks, sun protection (hat, sunglasses, sunscreen), and a camera to capture the rainbows. Binoculars can enhance wildlife spotting opportunities.
Yes, the main trail to Rainbow Falls is generally considered family-friendly, though it does involve some elevation changes. The shuttle bus access makes it convenient for families, and the reward of seeing the falls and potential rainbows is a great experience for children. Ensure everyone has appropriate footwear and bring plenty of water and snacks for younger hikers.
Rainbow Falls is located within Devils Postpile National Monument, so the iconic Devils Postpile columnar basalt formation is a must-see nearby. The monument also offers access to the vast Ansel Adams Wilderness, and sections of the John Muir Trail and Pacific Crest Trail pass through, providing opportunities for extended exploration and stunning Sierra Nevada views.
Rainbow Falls is a popular destination, especially during sunny summer mornings when rainbows are most likely to appear. Weekends and holidays can be particularly busy. Arriving early in the day, ideally before mid-morning, is highly recommended to avoid the largest crowds and secure a spot on the shuttle bus during peak season.