Said It Here

Backyard slope looks like a cliff — how to fix erosion and grading

Severe backyard drop-offs and uneven grading make erosion control and water pooling difficult to manage without professional help. Homeowners struggle to know whether standard DIY methods like hand-tamping work on steep terrain or if severe shifting requires professional mitigation.

What the numbers show

Counted from the threads quoted below. How we count

  • This comes up 34.5× more often in r/Landscaping than across the site as a whole.

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

  1. 1
    Consulting professional engineers, geotechnical engineers, or civil engineers
  2. 2
    Installing retaining walls or specialized landslide control
  3. 3
    Applying engineered netting or hydroseeding with native plants
  4. 4
    Pulling dirt from further away or high spots instead of just adding extra dirt
  5. 5
    Using a string line between stakes or a string level to measure the drop
  6. 6
    Renting or buying a hand tamper, roller, or walking the space to compress the soil
  7. 7
    Layering rocks and pavers on top to prevent dirt from washing away

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/Landscaping3 people · October 2026

“We have a steep slope in our backyard where we recently had a tree fall. We want to do erosion control to help!”source ↗

Puzzled-Custard5721 · r/Landscaping · 145 upvotes

“That looks more like a cliff than a slope. No one on reddit is going to be able to offer much. I think you need professional mitigation”source ↗

smthingy · r/Landscaping · 29 upvotes

“A steep slope? Bro that is a straight up cliff.”source ↗

GnomeErcy · r/Landscaping · 11 upvotes
r/homeowners1 person · October 2026

“Im in the process of trying to grade one side of the house where I noticed pooling water.”source ↗

“I know its suppose to be 6" of slope over 10ft but i obviously dont have 10'. Also am I good to just walk on it to tamp it down or should I buy a tamper.”source ↗

pftc2017 · r/homeowners · 6 upvotes

“Just making sure im doing it properly.”source ↗

pftc2017 · r/homeowners · 2 upvotes

“I just noticed it was dipping in the middle pretty good. Should I just be focusing on that?”source ↗

pftc2017 · r/homeowners · 1 upvotes

Where this came up

People with this problem also raised