Permanent claim record · Sleeping Bear Dunes National Lakeshore

The Dune Climb at Sleeping Bear is a 130-foot blowout dune with a free-standing ascent open to all visitors; the dunes rise 450 feet above Lake Michigan at their steepest point.

Verified

Raw value (vault-stripped)

{"tags":["sleeping-bear","dune-climb"],"text":"The Dune Climb at Sleeping Bear is a 130-foot blowout dune with a free-standing ascent open to all visitors; the dunes rise 450 feet above Lake Michigan at their steepest point.","category":"nature"}

Predicate	trivia.fact
Subject	Sleeping Bear Dunes National Lakeshore (venue)
As of
Status	Verified
Source	West Michigan Tourism: Attractions, Landmarks & Regional Highlights — Perplexity Deep Research (March 2026) (trust 6.5/10)
Reference	—
Document hash	pending evidence-pack link
Provenance chain
Claim ID	bd68d3f2-b1a1-450e-b66c-45ff4b620871