Hidden caves and ancient art await hikers in Montanas Boulder River Valley [Video]

BIG TIMBER — In the heart of south-central Montana, where the Boulder River Valley sprawls out, a rugged trail leads to something unexpected: ancient pictographs tucked inside a quiet cave, preserved through centuries of weather and wonder.

Accessible only by foot and largely unknown even to lifelong Montanans, the site blends outdoor adventure with deep cultural history.

Follow Andrea as she explores ancient pictographs in the Boulder River Valley

Hidden caves and ancient art await hikers in Montana’s Boulder River Valley

It’s a hidden trove of Indigenous rock art that continues to fascinate researchers and surprise hikers who stumble upon it.

For the Malone family, a casual hike turned into a powerful moment of discovery.

“The views are stunning… just absolutely,” said Patrick Malone, who recently explored the trail with his children.

With wildflowers lining the steady incline and the trail weaving through pine-covered terrain, the hike offers more than …