Johnny Sack Cabin (Big Springs)

Overview

Built between 1932–1934 by German craftsman Johnny Sack, this hand‑hewn log cabin showcases intricate peeled‑wood trim and custom furniture made on site. The cabin taps into the flow of Big Springs—one of Idaho’s largest natural springs—to power water features, and sits steps from turquoise water teeming with trout.

Today it’s a small seasonal museum maintained with local partners. Inside feels like stepping into a perfectly preserved piece of Island Park history.

Planning Your Visit

• Season: Free docent‑led cabin tours in summer (hours vary).
• Access: Signed parking at Big Springs; short, mostly level walk.
• Time on site: 30–60 minutes for the cabin; longer with the trail.
• Good to know: Combine with the paved nature trail and bridge views.

Highlights

• Length: 1 mile loop
• Elevation gain: Minimal
• Duration: 45 minutes
• Best for: Wildlife, springs
• Distance from cabin: 20 minutes

Tips

• Arrive early or late for softer light and fewer people.
• Bring binoculars; keep safe distances from wildlife.
• Respect historic interiors; follow volunteer guidance.
• Great pairings: Big Springs and Mesa Falls Scenic Byway.

Is it open year‑round?

Cabin tours typically run late June–mid‑September. Grounds and springs are accessible year‑round.

How much time should I plan?

About 30–60 minutes for the cabin; add time for the nature trail or a picnic.