Not the walls, but steps similar to what I have drawn in plan view so far Check out retaining wall projects from exceptionalstone.com!
Retaining Walls and Blocks
backyard ideas...The San Francisco Envy Chain - NYTimes.com
Places & Spaces
backyard kids play area ideas | The steep gradient of this Double Bay garden rendered it inaccessible ...
I wish my ugly mossy back yard would magically transform in to this.
Outdoors and Garden Glam
Terracing Mosman Landscape Design: Outdoor Establishments
RHS Hampton Court Palace Flower Show 2011 | Heathers In Harmony Garden | Designer: William Quarmby
We are doing this in our backyard - we already have the terraced steps and slope - just need to find a slide that's long enough...
Børn i haven
potted gardens how to at http://www.veggiegardenzone.com
Clever landscaping idea. Could do something similar along the side yard where we'd like to reshape our slope and put a terraced garden and hot tub in.
Backyard Terracing Ideas: How To Save Money On A Backyard Terracing Project
Lovey Dovey outside