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Hidden Underground Tunnels Of Los Angeles

Published:

Modified: 5 October 2026

by Rosabel Hewett

Hidden Underground Tunnels Of Los Angeles

Beneath the skyscrapers and busy streets of downtown Los Angeles, a network of tunnels weaves through the city. These tunnels have a rich history and were used for various purposes, but separating fact from folklore requires a closer look.

Tunnels Under Downtown LA

  • Prohibition-Era Tunnels: During the 1920s, some underground spaces may have been used to transport alcohol secretly, though solid evidence for a citywide bootlegging tunnel system is lacking. Speakeasies and hidden bars existed during Prohibition, but claims of a thriving underground tunnel network remain largely unsubstantiated.

  • Old Subway Tunnels: The Pacific Electric Railway once had a vast network of streetcars. Some remnants of these old subway tunnels, like the Belmont substation under Bunker Hill, still exist.

  • Underground Walkways: Connecting various buildings, these walkways allowed people to move around downtown without facing the elements. Some are still accessible, though many are closed off.

The Tunnels of the Los Angeles Civic Center

The Civic Center area of Los Angeles also has its share of underground passages. These tunnels served different functions over the years, though some stories outpace the documented record.

  • Hall of Records Tunnel: Underground passages exist behind the Hall of Records, though they are officially closed to the public. Access is limited to earthquake-safe areas, and no confirmed tunnel connects this building to other government structures.

  • County Jail Tunnels: Some accounts suggest tunnels may have connected the old county jail to the courthouse, but this is not confirmed by official sources.

  • Secret Escape Routes: Some tunnels may have been built as escape routes for officials in case of emergencies, though this remains unverified.

The Bunker Hill Tunnels

Bunker Hill, once a wealthy residential area, has its own set of underground tunnels. These tunnels have fascinating stories to tell, but not all of them check out.

  • Angels Flight Railway Tunnel: Angels Flight Railway, a funicular that transported residents up and down Bunker Hill, still operates today. No documented tunnel is associated with this railway.

  • Underground Garages: Some accounts suggest wealthy residents of Bunker Hill may have had underground garages connected to their homes, but no confirmed evidence supports this.

  • Utility Tunnels: These tunnels housed utilities like water and electricity lines. Some of these passages are still in use today.

The Tunnels of the Los Angeles River

The Los Angeles River, often overlooked, has its own network of tunnels. These tunnels have played a role in the city's history and infrastructure.

  • Storm Drains: These tunnels help manage the city's stormwater. Some are large enough to walk through and have become popular with urban explorers.

  • Flood Control Tunnels: Built to prevent flooding, these tunnels direct water away from populated areas. They are an essential part of the city's infrastructure.

  • Abandoned Rail Tunnels: The river area once had rail lines running through it. Some of these old rail tunnels still exist, though they are no longer in use.

The Forgotten Tunnels of Hollywood

Hollywood, the heart of the entertainment industry, also has its share of hidden tunnels. These passages have intriguing stories linked to the stars and studios, though many remain unverified.

  • Hollywood Boulevard Tunnels: Stories persist of tunnels connecting various theaters and studios, where stars may have moved around discreetly. No confirmed evidence supports these claims.

  • Studio Tunnels: Some major studios may have had their own network of tunnels for secure transport, but no documentation confirms tunnel networks at Paramount or Universal studios.

  • Secret Passageways: Some old Hollywood mansions reportedly had secret passageways connecting them to other buildings, though no sourced facts confirm these stories.

The Allure of LA's Hidden Tunnels

Los Angeles' hidden underground tunnels offer a glimpse into the city's past. These passageways, once bustling with activity, now lie mostly forgotten beneath the busy streets. Exploring these tunnels reveals stories of Prohibition-era speakeasies, old subway systems, and hidden vaults.

For history buffs and adventure seekers, these tunnels provide a way to connect with LA's heritage. While some areas remain off-limits, a few underground spaces may be accessible through limited tours or special arrangements.

Next time you're in LA, consider taking a break from the usual tourist spots. Dive into the hidden tunnels and uncover a side of the city that few get to see. It's a journey through history that adds a new layer of appreciation for the vibrant, ever-evolving city of Los Angeles.