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    Lower Arroyo Seco

    3.9 (17 reviews)

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    Rachel S.

    Pretty challenging hike in Altadena. My friend found this on All Hikes so we decided to do this instead of the Bridge to Nowhere which is further out and needed a parking permit. The pros of this hike - easy parking, good incline, hikes with signs clearly marked. The cons - can be very narrow, many bikers coming through so you have to constantly stand aside and let bikes pass, and the view at the top was honestly nothing to write home about. Towards the end, it felt like it took forever to get to our car. I'm glad I tried this hike but I'd probably not do it again.

    John T.

    First hike of 2014, didn't disappoint! JPL Hike... is a hike to do. It's easy and there are river crossings! First mile a half, you'll see a lot of fences and eventually the JPL compound on the left hand side. When you get deeper into the hike, all you see is trees, plants, the sound of the stream. It's like a short getaway from all that worries you. It's just you and nature! You'll pass through 2 or 3 different campgrounds before you reach to the falls. You'll also see some remnants of trees and plants that were damaged by wildfire one or two years back. Oh There are three or four river crossings along the way. Skinny logs are laid there for you to cross them. They require alot of balance. If you are not careful, you'll land in the stream! haha I think it's more stressful trying to balance yourself on the logs. I usually walk through the streams. There's no risk of injury and don't need to think about anything else than walking one foot in front of another. Just to warn you, the falls that you picture in your head is not exactly what the falls here looks like. It's not like eaton canyon or chantry flats. It's pretty much a man made dam and water just flows down from it. Not really scenic at the falls at all! If you like an easy hike, this hike is for you. Don't forget to play a game of dodging horse poop! First person to not step in poop wins! lol

    Under the bridge #DogsoftheRock
    Matt H.

    A great find! Friends have been telling me about this walk for some time now, so Sunday the pups and I decided it was time to investigate. Glad we did. A very easy and well signed trail along both sides of the river with off shoots you can choose to take (which you should!) or not. There was a lot of greenery and cover (a least after the recent rains), making for a very pleasing walk. The bridges you pass under are impressive, the ones you cross over were spaced further apart that I was envisioning (but that could just be because I wasn't sure where I was this first time). Folks, and their dogs, were very pleasant and helpful (I like to ask questions). We went left out of the parking lot, circling down to the stables and completing that loop just shy of two hours. Next time we'll try right (which apparently takes you to the Rose Bowl). The parking lot was packed (and entrance under construction) when we got there at about 9am (we got the very last tiny spot - thank goodness for a MINI). IMO had folks parked a little more considerately a few more cars could have fit. A smashing new favorite for my dogs (and me).

    Anh T.

    I probably shouldn't have gone hiking after only 4.5 hours of sleep and suffering from a slight hangover. But who could resist getting lost in the woods with a hot Colombian on a fine Sunday morning? This is a rhetorical question, coming from an unpaid whore. A mere 5 minute drive north of the Arroyo exit from the 210 Fwy, a paved path through the serene canyons of Altadena awaits. Sure, you have to walk a quarter mile to pass the ugly JPL compound, but the sound of trickling streams and you know, nature-stuff, should help to soothe those jittery city-nerves. There are several trails to choose from, and the easier ones are often abound with various dogs and compensating owners. The more difficult ones often seem to be taken by mountain bikers and adventurers. Yes, yes, everything is pretty. But man-oh-man, people here are actually NICE. I've never heard so many friendly hellos, good mornings, or passersby who actually smile while LOOKING YOU IN THE EYE. In Los Angeles, this is quite the experience. Then again, maybe they were just staring at my Wonder Woman costume. Oops, did I give away my secret? Whatever, just go there! Take for a walk, look at dirt, dig a hole, kick some dogs, or give a hand job off a beaten path. I don't really care, but nature can be cool...sometimes.

    Kat K.

    Easy hike with a small stream to add to the freshness of the environment. Too bad JPL is right next door and you may see an occasional power line and large pipes that kind of kill the scenery. Overall, it's a great way to escape the city for a quick nature walk and it's also easily accessible from the 210. Street parking on Altadena Dr/Casitas is recommended.

    Colorado st. Bridge
    Nolan B.

    I hike this trail a lot. Great place to photograph nature, or just get away for awhile.

    Serita M.

    11 streams and 7 bridges to the man made (concrete dam) waterfall...a total of 9 miles round trip. Very beautiful hike. My only complaint is the large amount of horse poop and the lack of adequate parking. Make sure you bring your own water and wear water proof hiking boots. Be prepared to share the trail with several bikers and runners. There are outhouses about 1/2 way into the hike. Plenty of rest stops and picnic areas.

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    8 years ago

    Good place to relax in nature and unwind. Pack a lunch and plenty of water and enjoy the outdoors.

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    Review Highlights - Lower Arroyo Seco

    First mile a half, you'll see a lot of fences and eventually the JPL compound on the left hand side.

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