Etiwanda Falls

North Etiwanda Preserve / Rancho Cucamonga, California, USA

About Etiwanda Falls

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Waterfall Safety and Common Sense

Etiwanda Falls was one of those waterfalls that Julie and I had previously overlooked over the years even though it wasn’t far from places like Bonita Falls and San Antonio Falls.

However, we started to get tired of seeing the same local waterfalls over and over again, especially in light of the increased frequency of droughts in California due to Climate Change.

Etiwanda_Falls_137_02012015 - Etiwanda Falls
Etiwanda Falls

Thus, it was about time that we finally resumed our search for local waterfalls we hadn’t done before, and that was when we pursued visiting this waterfall for the first time in early 2015.

Etiwanda Falls was actually a series of three drops with a cumulative height of about 50ft or so.

Each drop was probably 15ft, 10ft, and 25ft, respectively, from what I could tell though it was really the upper two drops that were the most visible of the lot.

However, waterfall attributes aside, the one thing that struck me about this waterfall excursion was that it was pretty much situated in a desert environment.

Etiwanda_Falls_153_02272021 - This tier of Etiwanda Falls could very well be the tallest of the lot
This tier of Etiwanda Falls could very well be the tallest of the lot

We noticed that there were a lot of new housing developments in and around Rancho Cucamonga (including around the trailhead for the falls), which conspired to conceal or make this desert environment a little less obvious.

Indeed, it was pretty clear that this area tended to see more heat waves and gusty Santa Ana winds than rainy days.

So it was one of those places that I would’ve least expected to encounter a waterfall (and a real popular one at that!).

Nevertheless, while the dimensions of this waterfall didn’t knock our socks off, I felt the real appeal of doing this hike had to do with more of the sights along the way.

Etiwanda_Falls_051_02012015 - Looking back at the dusty and hazy basin of the Inland Empire from the Etiwanda Falls Trail
Looking back at the dusty and hazy basin of the Inland Empire from the Etiwanda Falls Trail

Indeed, we enjoyed the sweeping views of the Riverside basin (smog haze notwithstanding) as well as the foothills fronting the San Bernardino Mountains.

Contrast Between Desert and Oasis

Further reinforcing the fact that we were indeed in the high deserts, we experienced an example of its extremes on our first visit in late January 2015.

That was when we were blasted with very strong Santa Ana winds that probably had gusts of around 50-70mph.

Such winds easily knocked down trees, made flying pebbles sting as they were kicked up and flung towards us, and made it hard for us to stand up straight.

N_Etiwanda_009_01242015 - Intense and gusty Santa Ana winds in late January 2015 adversely impacted our first attempt at hiking to Etiwanda Falls
Intense and gusty Santa Ana winds in late January 2015 adversely impacted our first attempt at hiking to Etiwanda Falls

Under such conditions, we aborted that first attempt to hike to Etiwanda Falls for fears that the power lines nearby might get knocked over.

Fortunately, our retry of this excursion a week later took place without the strong winds, and we also did this hike again 6 years later under some benign conditions preceding another wave of Santa Anas!

In any case, we were then exposed to the arid conditions while being beat down by temperatures in the high 70s to low 80s with little shade throughout the hike.

I can’t imagine how unbearable the hike would be later in the year when the temperatures could easily soar in the 90s or 100s.

Etiwanda_Falls_158_02012015 - Lots of people playing in the water further upstream from the Etiwanda Falls
Lots of people playing in the water further upstream from the Etiwanda Falls

So given how this environment contrasted with an oasis-like canyon containing a waterfall, perhaps it shouldn’t have been surprising that Etiwanda Falls was very popular.

In fact, I’d argue that it was more of a play waterfall where lots of people were playing in the cool water convergence of a side unnamed creek and East Etiwanda Creek just upstream of the falls itself.

As a result of this apparent paradox of a waterfall in a desert environment, seeing Etiwanda Falls perform meant timing a visit for the melting of snow accumulated in the San Bernardino Mountains.

If we’ve had a low precipitation Winter, then the waterfall may flow best in late January through February or March, but if we’ve had a heavy snowfall year, then I can foresee this waterfall flowing well into the brutally hot Summers here.

Hiking to Etiwanda Falls

Etiwanda_Falls_013_02012015 - Starting on the hike to Etiwanda Falls through the trailhead at the North Etiwanda Preserve in the foothills of the San Bernardino Mountains
Starting on the hike to Etiwanda Falls through the trailhead at the North Etiwanda Preserve in the foothills of the San Bernardino Mountains

The hike began from the designated parking lot for the North Etiwanda Preserve (see directions below) next to some seemingly newly-built homes.

From there, we then walked directly north past a wide gate at the far northern end of the unpaved parking lot and fire road (called Decliff Drive on Google Maps) running parallel with the power lines.

We then continued hiking on the somewhat rocky but slightly uphill Etiwanda Trail, which also seemed to be more like a fire road as it went past a large water tank, then continued to snake before some impressive foothills of the San Bernardino Mountains.

The impressive scenery helped to keep our minds off the hot and sweaty uphill nature of the hike as it was pretty much all unshaded and exposed to the sun.

Etiwanda_Falls_296_02012015 - Approaching a lookout shelter with interpretive signs at the North Etiwanda Preserve, whose access involved a separate trail that also paralleled the Etiwanda Falls Trail
Approaching a lookout shelter with interpretive signs at the North Etiwanda Preserve, whose access involved a separate trail that also paralleled the Etiwanda Falls Trail

We also made sure to stay on the main trail (very important when hiking with kids like we were) to minimize the threat of surprising a rattlesnake hiding in the thick desert shrubs on either side of its path.

A little before the quarter-mile post (elevation 2153ft), there was a turnoff on the left leading to a shelter that contained a bunch of interpretive signs (though most of them were defiled with graffiti).

We reached the next post at a half-mile (elevation 2247ft) from the trailhead after about 30-40 minutes into the hike.

I’m sure we could’ve gone faster than this, but the pace tended to be slower when hiking with kids, especially given the persistent elevation gain.

Etiwanda_Falls_073_02012015 - Deeper into the hike to Etiwanda Falls, the trail ascended into the undulating foothills of the San Bernardino Mountains
Deeper into the hike to Etiwanda Falls, the trail ascended into the undulating foothills of the San Bernardino Mountains

At about 0.6-mile from the trailhead, we then proceeded past a small signed pillar fronting an open gate just beyond an apparent four-way intersection.

And at that point, the trail narrowed a bit more while the slope of the ascent became noticeably steeper.

After another half-hour from the gate (or an hour from the trailhead), we then reached a yellow gate towards the top of this somewhat steeper ascending part of the trail.

The, the climb somewhat flattened out at this point, and I was able to peer over my shoulder for glimpses of the impressive views of the basin.

Etiwanda_Falls_083_02012015 - Looking back at a vista of Rancho Cucamonga from a lookout spot where there was graffiti that said 'Frank's Rock'
Looking back at a vista of Rancho Cucamonga from a lookout spot where there was graffiti that said ‘Frank’s Rock’

Less than five minutes after the yellow gate, there was a short spur trail leading to a vista point to better enjoy the views of the Inland Empire.

This spot had a rock with graffiti that said “Frank’s Rock” though I doubted whether that was really the official name or not (I didn’t see the same graffiti the next time I came here 6 years after my first visit).

Anyways, after a brief climb on the main trail, it then started to curve left just as we reached some kind of water contraption or weir.

Accessing the main section of Etiwanda Falls

Beyond the weir, the main trail veered to the left away from the contraption before bending back to the right as it made one last short climb to the end of the official Etiwanda Falls Trail.

Etiwanda_Falls_087_02012015 - The family making a final uphill push to reach the Etiwanda Falls
The family making a final uphill push to reach the Etiwanda Falls

Indeed, it was only at that point that the trail eventually started to disappear as it descended towards the East Etiwanda Creek, the stream responsible for Etiwanda Falls.

There were several scrambling paths leading to more frontal views of the uppermost tier of Etiwanda Falls (see photo at the top of this page).

But for all intents and purposes, the official trail pretty much led us to the brink of Etiwanda Falls.

The dozens of folks who had made it here were pretty much playing in the stream above the falls as the canyon here was wider and more spread out (likely due to the convergence of East Etiwanda Creek with another side stream its west).

Etiwanda_Falls_203_02012015 - The family checking out Etiwanda Falls from a distance
The family checking out Etiwanda Falls from a distance

In any case, the picture you see at the top of this page was merely the uppermost drop of Etiwanda Falls, which was probably about 15-20ft tall at best.

It was definitely the most accessible of the tiers of Etiwanda Falls as it was a short and a relatively simple scramble (just be careful) to get to that frontal view.

There was then a shorter drop a short distance downstream, but that one was harder to appreciate given how steep and precarious the viewing spots were.

In addition to the upper tiers of Etiwanda Falls, there was also a lowermost drop of Etiwanda Falls, which was definitely not safely visible nor accessible from this immediate area.

Etiwanda_Falls_236_02012015 - The mostly downhill hike back to the Inland Empire basin after having had our fill of the Etiwanda Falls
The mostly downhill hike back to the Inland Empire basin after having had our fill of the Etiwanda Falls

So when we had our fill of Etiwanda Falls and the nice convergence of streams further upstream of the main falls, we got to look forward to the all-downhill hike on the way back to the trailhead.

An added benefit of the return hike was that the impressive vistas of the Inland Empire (smog haze and all), which was pretty much consistently in front of us throughout the descent.

When we finally made it back at the trailhead, we had logged about 3 miles round trip, and we had spent roughly three hours away from the car.

Again, because we were hiking with a bigger party that included three kids, we took our time so conceivably, this entire hike could be done in around 2 hours at an unhurried pace.

Etiwanda_Falls_372_02272021 - Over the years, the parking and access situation had deteriorated though I suspect that this was mostly an issue of land management and priorities by the City of Rancho Cucamonga than it was an issue of unsustainable visitation
Over the years, the parking and access situation had deteriorated though I suspect that this was mostly an issue of land management and priorities by the City of Rancho Cucamonga than it was an issue of unsustainable visitation

Finally, there’s one caveat regarding the hiking distances and times mentioned on this page.

That caveat is that the the parking situation here can get intense, especially on the weekends, which I’ll get more into in the directions below.

Just realize that even though the Etiwanda Falls hike can be finished in 2-3 hours, the parking situation could make it such that we’d have to allocate at least 4-5 hours.

Unsanctioned Scramble to the lowermost of the Etiwanda Falls

Behind the water contraption or weir further down from the main Etiwanda Falls was a spur trail veering right, which looked to be an informal trail of use.

Etiwanda_Falls_085_02012015 - Some kind of water contraption where a steep scramble to the lowermost of the Etiwanda Falls started behind it
Some kind of water contraption where a steep scramble to the lowermost of the Etiwanda Falls started behind it

During our 2015 visit, there was no signage prohibiting pursuing these use trails, but on our 2021 visit, there were a handful of signs proclaiming that they were not public access trails urging people to keep out.

Anyways, at the end of this use-trail was also some kind of water gauge or manhole-sized door in the cliff, which pretty much cut off any further progress.

While I could hear the sounds of falling water from the Lower Etiwanda Falls nearby, I wasn’t able to see much of it due to the presence of overgrowth or lots of trees around the falls.

It took some time figuring it out, but I eventually found a spot near the start of the reinforced part of the ledge where it seemed reasonable to scramble down to the base of this elusive waterfall for a cleaner look at it.

Etiwanda_Falls_119_02272021 - The use-trail behind the weir eventually led to this reinforced ledge that ultimately ended at a vertical round manhole-sized door in a cliff. Lower Etiwanda Falls was in the dropoffs to the right of this ledge
The use-trail behind the weir eventually led to this reinforced ledge that ultimately ended at a vertical round manhole-sized door in a cliff. Lower Etiwanda Falls was in the dropoffs to the right of this ledge

While it maybe rather steep and full of risk to make it down to the base of the Lower Etiwanda Falls, I noticed a lot of graffiti that was all over the gorge below so people do indeed make it down here from time to time.

One thing I noticed regarding the size of the Lower Etiwanda Falls as compared to main Etiwanda Falls was that the lower waterfall’s width had considerably less volume than the main waterfall further upstream.

I suspect the reason for this is that the vertical manhole at the end of the reinforced ledge path might conceal some diversion infrastructure robbing the lower waterfall of some of East Etiwanda Creek’s flow.

Anyways, overall, this side detour took me on the order to 20 minutes or so, but now that I understood where to go, this side excursion could take even less time than what I’ve quoted here.

Authorities

Etiwanda Falls resides in the North Etiwanda Preserve in Rancho Cucamonga in San Bernardino County, California. It is administered by the San Bernardino County Special Districts Department. For information or inquiries about the area as well as current conditions, visit their website.

Maps and Routing Content are for annual subscribers. See Membership Options.
Content is for subscribers. See Membership Options.
Tagged with: north etiwanda, etiwanda, rancho cucamonga, san bernardino, california, southern california, waterfall, los angeles, inland empire



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Some more info about San Bernardino Mountains February 12, 2016 1:24 am by Jay - Not a big deal by any means but the picture on your site that shows the snow-covered San Bernardino Mountains with the caption "This is the view east in the direction of Big Bear (I'd imagine) and the last vestige of south-facing snow," captures San Bernardino Peak (left) and San Gorgonio Mountain (right). San Gorgonio… ...Read More

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Etiwanda Falls Should Be a Solid 2 On the Ratings Scale March 21, 2016 6:29 pm by Jason Ethridge - My wife and I visited Etiwanda Falls on the first day of spring and we were pleasantly surprised by the beauty of the canyon (once you get up into it). We braved the descent to the (almost) bottom of the falls (she's a trooper). It is a strenuous scramble, but from here you get a… ...Read More
That waterfall is just the beginning… July 31, 2015 4:30 pm by Justin Williams - I have explored Etiwanda Canyon and Day Creek Canyon quite a bit and there are other water falls further up the canyons that most people never see. The ones to the left are most accessible and a short distance. Several of these have graffiti all over them. But if you follow the canyon up to… ...Read More

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Johnny Cheng

About Johnny Cheng

Johnny Cheng is the founder of the World of Waterfalls and author of the award-winning A Guide to New Zealand Waterfalls. Over the last 2 decades, he has visited thousands of waterfalls in over 40 countries around the world and nearly 40 states in the USA.
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