Errol Nielson's Henry's Lake design · free plans for anyone, anywhere
The boxes around Henry's Lake began with one man, a stack of pine boards, and a simple design that mountain bluebirds took to right away. You can build the very same box. It costs only a few dollars in lumber, comes together in an afternoon, and gives a nesting pair a safe, predator-resistant home — whether you're on the shores of Henry's Lake or a fencerow a thousand miles away.
Download Errol's plans below, build your box, and — if you'd like — add yourself to the map so we can watch bluebird homes spring up across the West.
Every angled cut — the side tapers and the front edge of the top — is a 22½° circular-saw cut. A nominal 1×6 really measures 5½″.
Add your name and we'll send the full plans on their way. We use your email only to share occasional bluebird news and never show your details publicly — the map shows nothing but an anonymous dot.
Trouble with the form? Download the plans directly.
Each dot marks an approximate area where someone is building boxes. Exact locations and all personal details are kept private — pins appear only after the project reviews them.