Big Backyard Fort Plan

The Big Backyard Fort Plan is the ultimate backyard stronghold for adventurous kids who love to run, crawl, and conquer. Inspired by classic castle aesthetics but built like a true fortress, this unique design features four individual turrets connected by short bridges, creating an open square layout with a central courtyard perfect for regrouping or launching the next mission. It's a bold and battle-ready structure that invites all-day imaginative play.

With ramps at each corner and trap doors beneath every turret, this fortress is built for movement, exploration, and nonstop action. Kids can dart across bridges, sneak through secret passages, or defend their turf from all angles. Whether they’re staging a last stand or just playing hide-and-seek, the Big Backyard Fort offers endless ways to play, climb, and imagine, all in one epic backyard build.

Features:

• 162ft² in usable play space
• 4 interconnected towers w/ battlements
• Towers have lower crawl spaces for added interactivity
• 4 connecting bridges
• 8 ramps & 4 trap doors
  
• 25 page, step by step PDF plan
• Designed for children aged 2-8

Plan Category:

🏰 Castle Playset Plans

Dimensions:

• 16' Wide
• 16' Deep
• 7.5' Tall

Framing Details:

• Joists: 2x6 - 16" O.C.
• Walls: 2x4 - 16" O.C.

Lumber List:

Make sure to take advantage of any volume discount from your local lumber yard!

Decking:
( 47 ) 5/4” x 6” x 8'
( 64 ) 5/4” x 6” x 10'
( 17 ) 5/4” x 6” x 12'

2x2 (Balusters):
( 24 ) 2” x 2” x 3'

2x4:
( 62 ) 2” x 4” x 8'
( 12 ) 2” x 4” x 10'
( 8 ) 2” x 4” x 12'

2x6:
( 23 ) 2” x 6” x 8'
( 20 ) 2” x 6” x 10'
( 18 ) 2” x 6” x 12'

2x8:
( 2 ) 2” x 8” x 8'

4x4:
( 8 ) 4” x 4” x 8'
( 6 ) 4” x 4” x 12'