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This is my second time hiking this trail. This place is quickly becoming overcrowded and abused. Lots of toilet paper and human waste at Penner lake. Disappointing to see so many careless hikers and campers there.

I will not be coming back here. Trash, left over garbage in the shore of the lake, it’s sad.

Amazing views!

The ascent up Sand Ridge Trail can be difficult, but beautiful views from the top. Beautiful and not heavily trafficked.

Easy and gorgeous trail

Brilliant and spectacular!!!!

It's also important the company you keep on the trail to share the scenery with. Moderate hike, exciting views, with many multiple opportunities to expand your exploration.

amazing hike, minimal traffic

Great 4 day hike. Late start camp at Island Lake, 5 Lakes via Sand Ridge, Glacier Lake, Round Lake, out. 5 adults, 2 kids. Meteors.

3 days ago

It isn't too smokey to hike here (Aug 2018) but views are not what they are when it is clear. We just spent a couple nights by Rock Lake and Jamison which are both nice. The hike into the lakes from the mine is uphill, hot at mid-day. and rocky, but with nice forested areas, a waterfall, small streams, interesting geology and good views. Nice stars at night despite all the fires to the north and south. It took us about 2 hours to hike in, and 1 hour to get out. We really enjoyed hiking up to Mt Washington from Jamison - it is an exposed, difficult rock scramble at the summit, but beautiful!

The falls itself were very refreshing. As for the trail, we took a different route to the falls. Right off of freeway 80 in Auburn, we took Forest hill road which leads us to Lake Clamentine road. This is more hard than the normal trail as it loses elevation pretty quickly and coming back up is fairly hard, of course if you are on foot (and we were, and it was not fun coming back up!). There is parking right off of the falls but I think it is only for people who bring their boats, and it is small which fills up quickly on a weekend.

10 days ago

Our group of 3 was looking for a "hard" and adventurous day hike, and we were more than pleased with what Warren Lake had to offer. From the I-80 rest stop to Warren Lake was just under 7 miles, making it an almost 14 mile hike. The last mile before coming down to the lake was pretty steep and by far the most challenging part of the hike because you knew you had to make that same trek back up out of the lake on the way back. It took us a total of 7 hours including a 45 minute stop at Lake Warren. If you're looking for an awesome and challenging day hike with some steep climbs, I highly recommend the Warren Lake trail. And if you haven't upgraded your AllTrails app to the "pro" version, I definitely suggest you do so. AllTrails is a lifesaver!

Nice mix of rocky path and forested trail, sun and shade.

Great trail! Smokey from the fires but still pretty! We will be back to backpack in and stay a night. Easy trail too!

12 days ago

This trail was rough on my knees because of all the rocks and large steps, but the view at the top was worth it! We made it to the lake and went swimming, and hiked back down shortly after. Also visiting the waterfall on the way down was my favorite part, also it was quite steep climbing down to it. I don't recommend it for anyone who doesn't have great balance or strength to climb back up.

12 days ago

Great demanding trail and not for the faint of heart. I’m just starting to get back in shape and this trail really challenges me. Due to time constraints and my current capabilities I took the shortcut using the Pig Farm Trail route which made it about 1.5 mile hike round trip.

There was no sign on the fork & we didn't think of getting a map before we started so we took the trail on the left & apparently it was the more difficult one. About 3.5 miles in we saw a black bear near the trail ahead of us so we ended up having to walk back in fear & in silence without even seeing the waterfall. I've never walked so fast in my life. It was a great workout, but the trail could use some maintance.

Echoing other reviews, the road in is a bit rough but the trail is great and moderately challenging in difficulty. We had great views that were hindered by the smoke from all the fires. I definitely concur with the earlier reviewer’s recommendation to return via the windswept Sand Ridge trail. It gives you great views all around.

This trail wasn't worth the effort. It's long, hot and honestly not that pretty (like some of the women from my past). The trail is not well maintained, lots of plant life growing into the walking path you can't avoid walking through, a fallen tree you have to climb over. If you are with a lady in booty shorts, she won’t like it and will keep telling you how much she dislikes it, trust me I know. There's one good look out point where you can see the waterfall but you're not very close to it. Other than that spot you can't ever really see it. When you get to the top of the waterfall the angle is bad and you can't actually see the bottom or the water go off the cliff. I will say the water at the top is nice, clear and refreshing to get in. If you like pain with no payoff, this is for you, you masochist.

Very nice fairly easy hike. Lots of great side trails down to the river. Enjoyed a quick dip to cool off. It was very enjoyable and I will be back.

16 days ago

Warren lake is beautiful. We camped there one night and had a great time. However, as another user previously mentioned, the “trail” between Warren lake and Paradise lake does not exist. It’s a steep, rocky area with lots of brush, very unsafe. The trail that comes down to Warren lake is really steep and difficult but doable. I’d leave the dogs at home though, my Golden’s paws got torn up really badly.

5 stars for first half. 2 for last half (going clockwise from rest area) I do not reccomend doing the "loop". its not really a loop, I think it's just some guy recorded his hike and called it a loop for alltrails. once you get to the back end of Boreal or condos I think, turn around. The rest is exposed, hard up, hard down on a 4 wheeler dirt road. Thankfully it wasn't too hot today, but there is virtually no shade this way for the last 3 miles. the Trail was perfectly easy to follow so nice to this point. I really do not think the last part in Boreal is a trail. it's not marked and I got "in trouble" for walking on the property with my dog. So, save yourself the frustration i had and turn around when you get to the Donner Summit Resivour.

nice easy trail. nice scenery . water is clear and cool to jump in for a dip after your hike. easy walk for whole family. best do do early morning to have a an easy hike . highly recommended.

19 days ago

This was not the initial trip we were going to take but I am stoked we did... It is gorgeous!!! Like amazingly beautiful - worth the agonizing trek we had. If you are one of the few trail runners we saw out here Kudos to you!! We thought it was crazy they were running out here and they thought we were crazy for packing in all our crap! Lol. We may have been a little pack heavy. The trail is a little non-apparent at times but the end is well worth it. There was more traffic than we anticipated. Our hike in took two days because the altitude, although not crazy, had some effects on the other person in our group of two. We camped a little bit after the first accent then woke up and finished up the trek to the lake. After camp was set up I headed to the lake which was pretty much ours and one other group of two. It was a great backpacking/camping trip (4days 3nights). We hiked in with 35+lbs, next time packing lighter - but there will be a next time!

19 days ago

If you park at the castle peak trailhead you can do the full 17.2 mile loop from the Warren Lake trail to the PCT. This is a backpacking trip not a day hike. There's plenty of water right now but in a couple weeks a lot of the small creeks will dry up. Be sure to bring plenty of water and to fill up when you can cuz you will be sweating.

It is an enjoyable trail, I was a little disappointed to see vehicle traffic upon reaching the lake, access to the lake is almost non existant by foot. I will definelty take the hike to the swimming holes next time. Parking is pretty bad as well. That's to be expected. It is a beautiful area.

20 days ago

Warren Lake is a substantial hike, well worth the effort. The first few miles have a fair amount of foot traffic, even occasional bikes, up to the Frog Lake over look. Take a break and enjoy the view. After this, there is very little traffic all the way to Warren Lake. The final mile into Warren Lake is pretty steep and slow going. The lake itself is so isolated and so beautiful. We found a small sand beach on the north-north west side of the lake and went swimming a while. We had the lake to ourselves for a good 24 hours. On the way out, we met a couple who was coming in- they told me that they were planning to hike over the ridge on the west to Paradise Valley. It should be doable, but I don't believe there's an existing trail.

Susan, no wilderness permits are needed for this trail but you need a fire permit if you want to have a fire in an already established ring. You can get those online. We camped along the east shore which requires walking through some brush, but it was way more private, swimming is better off the west shore though. Did this trail about a month ago and plan to go back. Beautiful but the mosquitos were absolutely horrible, like hide in your tent horrible.

Question - Do I need a trail pass to backpack here?

Pretty view and steady elevation but kinda boring just walking so long with little to stop and explore the higher you go up the hill

21 days ago

AllTrails directions take you to the rest stop on I-80 as the trailhead. It's signed as 4 hour parking only, it doesn't seem likely they keep close track of it but if that worries you the PCT trailhead is only about a mile away with an unlimited lot. From the rest area the trail starts to the right of the building.

In late July there are still wildflowers, and good water for almost the duration of the hike, which was needed as I went through ~6L on a hot day. The snowpack looked nearly gone, so not sure how long all those streams will keep running.

This is a tough hike for 1 day - I'm sure it can be done in 5.5 hours as someone commented below, but this is a hard trail to maintain 3mph on the whole way. The 4 climbs are pretty significant, and the downhill is loose in a lot of places.

Well marked trail that intersects with a few others. If you are interested in taking a swim, I'd suggest going counter clockwise at the start/Y. This will put you at the best swimming lake (Round) just over halfway in the loop. Round has a nice beach at the southernmost part of the trail. I estimate water temp at 70-72 degrees. Lots of folks and kids were swimming.

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