Rainbow Falls

Devils Postpile National Monument / Mono County / Fresno County, California, USA

Rating: 3.5     Difficulty: 2.5
Rainbow Falls

TABLE OF CONTENTS



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INTRODUCTION

Rainbow Falls is certainly one of our favorite waterfalls in California outside of Yosemite National Park. Yet it's hard to believe that this waterfall was once a part of the incomparable Yosemite National Park until mining interests successfully removed the falls and the neighboring Devils Postpile formation from protection.

It wasn't until 1910 when Walter L. Huber (an engineer with the US Forest Service in San Fransisco) received an application to blast the postpile formation and dam the San Joaquin River with the debris did this place start to get serious attention from outside the mining circles. Disturbed by this finding, Huber got the Sierra Club involved and thus set forth the chain of events that would eventually make the area a national monument in 1911.

A lot of people enjoying themselves at the base of Rainbow Falls We were certainly glad for the preservation of this waterfall and its neighboring attractions, because it was a beauty. It possessed that classic rectangular shape dropping some 101ft on the San Joaquin River (so it had year-round flow). From the multiple visits that Julie and I have made here (from as early as July 4th weekend to as late as Labor Day weekend), we can definitely say that the best time of day to photograph the falls with color from the sun would be in the mid- to late afternoon when it receives the benefit of soft afternoon light.

If it's long exposure photographs you're after, come either very early in the morning or very late in the afternoon when all of the falls and the surrounding area would be in shadow. In the mid- to late morning, the falls would be mostly in its own shadow though it would be a pretty quiet time of the day to visit.

We spotted a deer along the trail The trail to Rainbow Falls from either of its nearest car parks near Red's Meadow Pack Station (see directions below) was about 1.3 miles each way (or 2.6 miles round trip). While the modest distance may not seem like much, the relatively high altitude (probably around 7000ft or so), the dustiness of the trail, the upside-down nature of the trail, and the exposure to the sun (thanks to damage from a pretty extensive fire) made the overall hike deceptively more strenuous than anticipated. The best advice we can give regarding this hike would be to take your time, take frequent water breaks, and drink lots of water. And if you can help it, try to get acclimated to the altitude by overnighting in Mammoth or exposing yourself to high altitudes immediately prior to doing this hike.

Regarding the fine dust, most of the hike was on a sandy trail pounded by pack horses and lots of human traffic. The terrain was such that it was very easy to get dust up in the air, especially on a hot and dry day. Thus, it was very easy to breathe down the fine powdery dust and constrict our lungs of much-needed oxygen, which was already in limited supply thanks to the high altitude. The dust was especially bad when pack horses would pass by or there were lots of people walking to and fro. By the end of the excursion, our clothes and especially our hiking boots were caked in a pretty thick layer of dust. I can practically guarantee that just about everyone who does this hike will come back dirty.

Descending into a burn area with new sproutlings growing between the burnt trunks About half-way down the trail, the path meandered into a ghostly burn area from a forest fire that happened back in 1992. Near the start of this section was a connecting trail following the San Joaquin River to the Devil's Postpile Formation, which we didn't take. The area was still recovering as of 2010 (giving you an idea of how long it takes for a pine forest to recover from a wildfire). The end result was that the trail was open to exposure from the sun and caused it to be a surprisingly hot hike. At least the flip side was that it seemed like wildlife (such as deer) was easier to spot without the camouflage of dense foliage.

Once at Rainbow Falls, we were able to see it from a couple of overlooks. The first overlook provided a more angled look down at the falls. In my experience, it was easier to see rainbows (albeit faint) from here. The second overlook was more direct and maybe more photogenic. In all the times that I've been here, I never recalled seeing a rainbow of any appreciable boldness or size, however. Maybe we just weren't in the right place at the right time, I guess.

Nearby that second overlook, there was a branching trail leading right to a series of steep steps leading right down to the banks of the San Joaquin River where we were able to get direct views of the falls while feeling its mist. In low flow (like on our first visit here in September 2001), Julie and I were able to practically stand almost directly in front of the wall of water. However, in high flow, it was difficult to get that direct look since the river was running significantly higher so entering the water was not a viable option.

Back at the top of the steps on the main trail, the trail continued going downhill past a little corral area for horses for another half-mile to Lower Falls. Since the vast majority of visitors turn back at Rainbow Falls, we decided to describe the Lower Falls in a separate writeup.




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PHOTO JOURNAL

View of the Minarets from Minaret Road, which leads down to the Devils Postpile areaView of the Minarets from Minaret Road, which leads down to the Devils Postpile area
The basalt columns of the Devil's Postpile formationThe basalt columns of the Devil's Postpile formation
At the top of the Devil's Postpile formation were hexagonal-shaped 'tilings' as if Nature herself knew how to place ornate basalt flooringAt the top of the Devil's Postpile formation were hexagonal-shaped 'tilings' as if Nature herself knew how to place ornate basalt flooring
Just a few minutes drive south of Mammoth Lakes was the beautiful and easily-accessible Convict LakeJust a few minutes drive south of Mammoth Lakes was the beautiful and easily-accessible Convict Lake
If you take the shuttle (you typically don't have a choice unless you're booked on a Red's Meadow excursion or you're overnighting in the reserve), you have to walk about 100 yards before getting to the actual trailheadIf you take the shuttle (you typically don't have a choice unless you're booked on a Red's Meadow excursion or you're overnighting in the reserve), you have to walk about 100 yards before getting to the actual trailhead

This is the official trailhead, where you can start the hike directly if you happened to be able to drive into the reserveThis is the official trailhead, where you can start the hike directly if you happened to be able to drive into the reserve

Walking through the burn areaWalking through the burn area

One inadvertent benefit of the forest fire in the 90s was that the vistas are more wide open. So for example, you can look back towards Mammoth MountainOne inadvertent benefit of the forest fire in the 90s was that the vistas are more wide open. So for example, you can look back towards Mammoth Mountain

This is probably the most popular trail in the Mammoth Lakes area so expect to share it with many peopleThis is probably the most popular trail in the Mammoth Lakes area so expect to share it with many people

View of Rainbow Falls from the first overlook with slight rainbowView of the falls from the first overlook with slight rainbow (in early afternoon)

View of Rainbow Falls from the second overlookView of the falls from the second overlook in early afternoon

Descending down the steps towards the base of the fallsFollowing my buddy Ed down the steps towards the base of the falls (though the climb back up was real tiring)

Early afternoon on a warm Summer day seemed to be the ideal time to visit Rainbow Falls, but it's also probably the busiest time as wellEarly afternoon on a warm Summer day seemed to be the ideal time to visit Rainbow Falls, but it's also probably the busiest time as well

Direct look at Rainbow Falls from the bottom, but late afternoon shadows kind of made taking pictures difficultDirect look at Rainbow Falls from the bottom, but late afternoon shadows kind of made taking pictures difficult

Rainbow Falls after the sun was mostly beneath the horizon, which was a good time for long exposure photosThe falls after the sun was mostly beneath the horizon, which was a good time for long exposure photos

Walking back through the burn area on the returnWalking back through the burn area on the return

Almost back at the trailheadAlmost back at the trailhead

When we had to take the shuttle, the signs pointed us towards Red's Meadow instead of the formal trailhead for Rainbow Falls. However, it seemed like the hike back up to Red's Meadow was noticeably longer and more uphill than the trail back to the formal trailheadWhen we had to take the shuttle, the signs pointed us towards Red's Meadow instead of the formal trailhead for Rainbow Falls. However, it seemed like the hike back up to Red's Meadow was noticeably longer and more uphill than the trail back to the formal trailhead

View of Rainbow Falls in high flow back in July 2002View of Rainbow Falls in high flow back in July 2002

Rainbow Falls from its base in high flow from July 2002Rainbow Falls from its base in high flow from July 2002

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Rainbow Falls in low flow back in September 2001 at the first overlookRainbow Falls in low flow back in September 2001 at the first overlook

Rainbow Falls from the second overlook in September 2001The falls from the second overlook in September 2001

Rainbow Falls from its base back in September 2001 at the first overlookThe falls from its base back in September 2001 at the first overlook


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VIDEOS OF THE FALLS


Sweeping around the waterfall with namesake rainbow from an overlook above the gorge, then panning over to the trail


Two downstream sweeps from right to left - one from the viewpoint, then the other from the riverbed after scrambling there from the viewpoint


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DRIVING DIRECTIONS

Rainbow Falls is near the resort community of Mammoth Lakes, which is roughly a 6-hour drive from Los Angeles. It's roughly a 15- to 20-minute drive from Mammoth Village to the ski resort on Mammoth Mountain. The shuttle seems to take about 45 minutes to go from the ski resort area to the trailhead for Rainbow Falls.

As for driving directions from Los Angeles to Mammoth, we generally head north on the I-5 then continue north on the Hwy 14 until we reach Hwy 395. We then continue north on Hwy 395 to the State Hwy 203 turnoff. State Hwy 203 leads into Mammoth Lakes, but continues onwards at Minaret Rd (there's a traffic light), which you take to the Mammoth Mountain Ski Resort area. The mandatory shuttle is based here ($7 per adult, $4 per child as of 2015; National Parks Pass not accepted even though it's in a National Monument) so here's where you'd park the car.

Continuing on typically requires a shuttle, and it continues on Minaret Rd taking you into the Devil's Postpile National Monument, where you can get off at any number of stops (each with varying lengths of hiking to the waterfall or other attractions or logistical bases like the Red's Meadow Pack Station). In my experience, if you show up before 7am or after 7:30pm, you can self-drive this section (though you still have to pay the fee at any time you cross the entrance/exit booth during operating hours). In order to drive into the reserve in more reasonable hours, you have to book an excursion with the Red's Meadow Pack Station or overnight at the Red's Meadow Lodge.

One thing we found when taking the shuttle (at least in our 2015 experience) was that their arrival times tend to be pretty infrequent. The brochure says they show up no more than every 20 minutes between 10am and 4pm. Outside those times, they can show up every 45 minutes! Needless to say, we weren't able to shuttle hop to visit places like Devil's Postpile or Sotcher Lake on the same day without getting an early start or making a really long day hike out of it. However, if we were able to drive into the reserve, then that flexibility will make such trailhead switches possible without the delays of waiting for the shuttle (which can also get really crowded).




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ITINERARIES

For more information about our itineraries involving this waterfall, check out the following links.




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MAP OF THE FALLS



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TRIP REPORTS

For more information about our experiences with this waterfall, check out the following travel stories.




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TRIP PLANNING RESOURCES





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NEARBY WATERFALLS




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