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Castlewood Loop is a 5.6 mile moderately trafficked loop trail located near Valley Park, Missouri that features a river and is good for all skill levels. The trail is primarily used for hiking, walking, nature trips, and bird watching and is accessible year-round.

Length 5.6 mi Elevation gain 262 ft Route type Loop
Kid friendly Hiking Nature trips Walking Bird watching Forest River Views Muddy No dogs
Waypoints (0)
Weather
UV Index
Daylight
Reviews (63)
Photos (93)
Recordings (63)
Completed (152)
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Jason Wilson
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Hiking
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Lib Lý
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HikingOver grown

Overgrown, overgrown, overgrown.

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Jeff Harmon
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Mountain biking

Overgrown badly!!

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Elias Tannous
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarGray StarGray StarAugust 30, 2020
Hiking

Normal trail appears to be partially closed / very overgrown. Area in field was cleared to compensate. No river views from “new trail” - need to off-road to see river.

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Angie Nowak
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarGray StarGray StarAugust 24, 2020
Hiking

Overgrown. Only about a foot of dirt walkway which made the weeds easy to grow over the path.

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Joseph Negrin
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HikingBugsMuddy

Very nice track! Most of it is shaded with a good cooling effect. There is a 10 minute part that is walking in the open so if you have sun allergies - be aware. 2 points to pay attention to: 1) The trail is full of small bugs that are flying all around you - it can be quite annoying. 2) In the wet season (when it is raining) the loop part of the trail is getting very muddy. Definitely a track I will recommend.

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peter User
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Closed
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Isaac Orr
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Hiking

Nice trail. A couple over grown spots in the bottom. But great view of the river

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Brian Bursack
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HikingMuddyOver grown

Probably my favorite trail in the St. Louis area because it is uncrowded and takes you through both wooded and open field river bottomland along the Meramec River. It's best to hike it in Fall or Winter as it is less muddy and overgrown. The east connector is impassible just north of the tunnel under the railway embankment in the Spring. The best part of the trail in my opinion is the western end of the loop which is mainly through a large field. The entire trail is in the bottomlands of the Meramac River which is why it is so muddy all of the time.

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Michael Schoen
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HikingBugsMuddy

If you go into it expecting mud and a few ticks, it is a pretty trail. Just make sure you stop every little while and check your pants and shoes for ticks, especially in the prairie part, and you should be good.

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Julie Stern
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Hiking

Extremely muddy! Very hard to follow. Started near the road and then was in the middle of a wheat field. We were trudging through high grasses. The trail was really thin. Loved being in nature but will probably pass on this one and do a different one at Lone Elk Park.

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Damir Ascic
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Mountain bikingFlooded
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Daniel Cicha
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HikingMuddyOver grown
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David Davis
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Hiking

Very muddy. A third of the trail is just a path cut into a field which is tall, cut your legs, grass.

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Yu Li
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarGray StarGray StarAugust 10, 2019
HikingBugsMuddyOver grown

I don’t really recommend this trail actually. It’s really over grown and some ticks. I think barely people hike this trail because I crashed some spider web when I just walking in the trail. QAQ. A lot of fall down trees block the trail and it’s muddy, so I have to make a detour. I didn’t see any deer yesterday. Go get the Castlewood loop trail, people must hike in Chubb trail first. Chubb trail is good. I met some guys running in the Chubb trail. In the end of Chubb trail, there is a railroad. Cross the railroad, it’s Castlewood loop.

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Elizabeth Snair
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Hiking

This trail was easy and a wonderland for a naturalist that likes animal tracks!

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Justin Michalik
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Hiking

I never knew this trail was here and it was a nice little surprise. I clocked 6.6 miles at 2 hours and 50 minutes and that’s with some exploring. I managed to find 5 deer skulls, a bunch of ribs, hips, and vertebrae off trail. The trail itself is pretty flat once you get to it. The Chubb Trail to is is all downhill and then pretty steep uphill on the way back. Would like to check it out again in the spring but fear it’ll be dreadful if it’s too hot as there’s very little shade.

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Carrie Wille
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Hiking

This was a good hike. We had our 1 (in a backpack) and 4 year old with us, so it couldn’t be too strenuous. There was a lot of standing water, but they were easy enough to travel around.

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Rachel Broadbear
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Hiking

Easy hike with wide paths throughout. We made excellent time and only saw a couple of other people. The loop portion of the trail had standing water in many places. There are side trails to go around those sections, which makes me think the water is a common problem. Alltrails says "no dogs," but I didn't see any signage indicating that dogs aren't allowed.

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Amanda Berberich
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Hiking

I’m not sure how the trail is at other times, but on a warm day in late January it was miserably muddy. For the small part that follows the river there were some bluffs to look at, but overall it was too flat and unremarkable for my taste. Maybe it would be better in summer... after a dry spell.

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Amma Hikes
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarGray StarGray StarNovember 21, 2017
Hiking

To get to the trail as shown, do not follow the Chubb for 1.5 miles and cross over the train tracks. Instead, after descending the hill (about 0.5 miles in) look for an unmarked trail on the right that leads to a tunnel that goes under the train tracks. Going through the tunnel requires a hiker to duck to make it through since the ceiling is rather low. A flashlight would definitely help as it is rather dark in there. After exiting the tunnel, there is a trail that leads to the Castlewood Loop.

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Reed Nelson
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarMarch 22, 2014
First to Review

Great park, very close to the city. begins with a moderate climb up the bluff followed by nice views of the Meramec River. A steep descent down some stairs and then a nice walk along the river banks. Plenty of room for mountain bikers and hikers. A pretty easy trail, we hiked it with three dogs and three kids under 5. All had a great time. The kids particularly liked the occasional passing train. Great hike, only 30 minutes from St. Louis.

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Ethan Kemper
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David Stone
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Hiking
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