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Bettesworth Construction
community services

Living Underground: What We Know About Las Vegas’s Flood-Control Tunnels

Las Vegas’s tunnels are active stormwater channels, not underground housing. Here’s what published estimates say, why rain can be deadly, and how local outreach works.

By Bettesworth Construction Team 3 min read
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Las Vegas’s underground tunnels are stormwater channels built to carry floodwater—not abandoned rooms or a purpose-built underground neighborhood. Some people without stable housing use parts of the system for shelter, but the channels can become dangerous when it rains. Publicly cited estimates of how many people live there differ, and none is a definitive count.

What are the tunnels beneath Las Vegas?

They are underground flood-control channels and storm drains intended to move stormwater through the region. The Washington Post described the network as constructed in the 1990s and roughly 600 miles long; that is the newspaper’s description, not an independently confirmed measurement here. The Washington Post’s December 2024 report documents people using parts of the system as shelter.

A separate figure needs a different geographic frame: the Southern Nevada Water Authority’s Regional Flood Control District annual report lists 713 miles of channel and underground storm drains in the District service area. That combined measure covers channels and drains across the service area; it is not a measurement of underground tunnel mileage alone. Regional Flood Control District annual report.

How many people live in the Las Vegas tunnels?

There is no definitive resident total established by the cited sources. The City of Las Vegas attributed an estimate of about 2,000 people to the nonprofit Shine-A-Light in a 2022 blog post. In a September 2025 local report, News 3 Las Vegas attributed an estimate of 1,200–1,500 to the organization. Neither figure is a census. The sources do not establish that the estimates used the same method, time period, or geographic scope, so they cannot show whether the number of residents rose or fell.

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City of Las Vegas: underground tunnels · News 3 Las Vegas, September 2025

Are the Las Vegas tunnels dangerous when it rains?

Yes. These channels are designed to carry stormwater, so rain can turn a place used for shelter into a life-threatening hazard. Reporting describes water washing away residents’ belongings and warns that people may be swept away. The Washington Post and News 3 Las Vegas have reported on this risk; neither the tunnels nor the shelter within them should be treated as safe during rain.

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Flooding is not the only hardship described in coverage. The Washington Post reported that outreach workers can have difficulty persuading some residents to come above ground for medicine and treatment. That is a reported outreach challenge, not a statement about every tunnel resident or any individual’s wishes.

What help is available?

City of Las Vegas outreach

The City says its MORE teams provide mobile intervention and outreach to people in encampments, on streets, in flood-control tunnels, and in outlying areas. Its Homeless Services page is the official place to check current local services.

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Shine-A-Light

Nevada’s 2025 Housing Crisis Response System Report lists Shine-A-Light as an outreach and placement service assisting people in the Las Vegas area, with a primary focus on people living in underground flood channels. Check the state’s Housing Crisis Response System reports for the report and verify current contact details directly before relying on them.

The Courtyard and shelter inventory

The City’s Courtyard is a local service access point. The City’s 2025–2029 Consolidated Plan reports 3,482 year-round emergency shelter beds and 703 transitional housing beds in Southern Nevada, based on the Southern Nevada Continuum of Care’s 2024 Housing Inventory Count. These are regional inventory totals, not a count of beds currently open or a guarantee that a particular person can obtain a placement. City of Las Vegas Homeless Services · City of Las Vegas Consolidated Plan

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What the numbers can—and cannot—tell you

Figure What it describes What it does not establish
About 2,000 people, attributed to Shine-A-Light by the City in 2022 An estimate of people living in the tunnels at the time and within the scope of that estimate A census or a directly comparable count for another year
1,200–1,500 people, attributed to Shine-A-Light by News 3 Las Vegas in September 2025 A later estimate reported by a local news outlet A census, or proof that the population declined relative to the 2022 estimate
3,482 year-round emergency shelter beds and 703 transitional housing beds, 2024 inventory Regional shelter and transitional housing inventory reported in the City’s 2025–2029 plan Current vacancies, available placements, or the number of people living in the tunnels
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Further reading

For a longer nonfiction account of life in the tunnels, see Matthew O’Brien’s Beneath the Neon: Life and Death in the Tunnels of Las Vegas.

Quick Recap

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  • Self Locking Winch & Falling Protector: This robust Winch features a durable Steel Housing and includes a Steel Cable (1200LBS - 4mm Dia, 20m; 1800LBS - 5mm Dia, 25m; 2600LBS - 6mm Dia, 30m). Designed with a Self-Locking Mechanism for safety during operation, it also comes with a reliable Falling Protector (20m/65.6ft) ensuring secure lifting and lowering. Perfect for various applications.
  • 【Durable Aluminum Alloy Construction】This top plate utilizes advanced die-casting technology. The self-locking device and adjustable tripod are crafted from high-quality aluminum alloy, ensuring the tripod kit is both sturdy and lightweight. Enhanced visibility is provided by yellow and black reflective stickers on the legs, making it a practical choice for various environments.
  • Adjustable Legs & Anti-Slip Feet: The legs of this stand are adjustable from 1.34 to 2.14m (4.4 to 7ft) and secured by a protective ring chain. The aluminum alloy feet can be customized to accommodate various slopes and uneven surfaces, ensuring stability and safety for your needs. Perfect for outdoor events and versatile applications.
  • 【Foldable and Easy to Carry】This Confined Space Entry Kit features a durable aluminum alloy construction, ensuring reliable access and fall protection in various environments like wells, sewers, and tunnels. Lightweight and foldable, this kit is designed for easy transport and quick setup, making it an essential tool for safety in confined spaces.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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