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July 24, 2025 2 min read


A Simple, Nature-Inspired DIY Project by the Creek

Looking for a creative, hands-on activity that connects your kids to nature? Try building a wooden watermill powered by the gentle current of a creek. It's a playful, imaginative project to enjoy alone or with family—and the perfect excuse to bring out your favorite Opinel tools!

What you'll need:

 How to make it:

1. Saw off a section of the trunk 

Find a small pine trunk with side branches that form a star shape. Saw off a section about 6-8 inches long. These branches will form the hub of your watermill.  

2. Peel the bark

Using the No.07 My First Opinel or Outdoor Junior folding knife, let the kids gently peel the bark from the trunk and its branches. It’s a fun, hands-on task that prepares the surface for attaching the blades.

3. Craft the blades

Cut 4 to 6 evenly sized pieces from thick pine bark—these will be your watermill’s blades. Try to keep them as uniform as possible for balance.

4. Attach the blades

Glue each bark blade between the trunk’s star-shaped branches. Use clothespins to hold them in place while the glue sets. Drying time may vary depending on humidity.

5. Set up the watermill

Once the glue is dry, remove the pins. Place two Y-shaped branches in the creek about 4 inches apart, or use sturdy rocks if you prefer. Rest your watermill on these natural supports so it can spin freely in the current.

Good to know:

  • The stronger the current, the faster your watermill will turn.
  • If it feels unbalanced, adjust the blade size or positioning.
  • Use thick, strong bark for better durability.
  • Feel free to personalize your mill—carve patterns or designs into the wood using your knife!

Watch the video tutorial here!

Built your watermill?

Share a photo or video, tag @opinelusa and use the #MyOpinelMill, we'd love to see it!

No.12 Carbon Folding Saw

No.12 Carbon Folding Saw

No.18 Carbon Folding Saw

No.18 Carbon Folding Saw

No.07 My First Opinel

No.07 My First Opinel

No.07 Outdoor Junior

No.07 Outdoor Junior


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