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Yellowstone Underground Lava-Viewing Tunnel

Sector: Tunnel • Location: Yellowstone National Park, Wyoming, United States

Source: Facebook

Project
Planned

Yellowstone National Park has been approved for a $42 million pilot project to build the nation's first underground Lava-Viewing Tunnel. The project involves creating a reinforced horizontal shaft extending 300 feet beneath a stable area of the caldera, equipped with heat-proof glass panels, thermal sensors, and a warning system. The tunnel aims to allow visitors to safely observe molten lava bene

Status
Prospective
Sector
Tunnel, Hotel, Geothermal, Government
Location
Yellowstone National Park, Wyoming, United States of America
Updated
22 Jul 2026
Source
Facebook

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The project “Yellowstone Underground Lava-Viewing Tunnel” is an infrastructure initiative in the Tunnel sector, located in Yellowstone National Park, Wyoming, United States. Taiyo aggregates data on it from Facebook.

Participants

Sponsoring Agency

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

Yellowstone National Park has been approved for a $42 million pilot project to build the nation's first underground Lava-Viewing Tunnel. The project involves creating a reinforced horizontal shaft extending 300 feet beneath a stable area of the caldera, equipped with heat-proof glass panels, thermal sensors, and a warning system. The tunnel aims to allow visitors to safely observe molten lava beneath the park's surface. Construction is tentatively set to begin in late spring, pending final environmental reviews and psychological evaluation of the approving board members.

Original sector

Built Sector

Budget

Location

Country

United States of America (USA)

State

Wyoming

City

Yellowstone National Park

Source

Source

Facebook

URL

More Details

Record type

Project

Sector

Tunnel, Hotel, Geothermal, Government

Article published date

2025-11-30

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