Tunnels Discovered along the California Border September 11, 2001 - Present 40 Tunnels Nationwide - 21 in California

Legend of California Border Tunnels

Tierra Del Sol #1 1 Location: , CA | Discovered: Feb 01, 2002 Type of Tunnel: Gopher Hole Suspected Purpose: Narcotics Complete/Incomplete: Complete Imperial Beach Tunnel 2 Location: Imperial Beach, CA | Discovered: Apr 29, 2002 Type of Tunnel: 65-foot long sophisticated Suspected Purpose: Narcotics Complete/Incomplete: Incomplete The “Abandoned Sewer Plant” Tunnel 3 Location: , CA | Discovered: May 04, 2002 Type of Tunnel: 115-foot long sophisticated Suspected Purpose: Unknown Complete/Incomplete: Unknown Chaves Street - Otay Mesa #3 4 Location: Otay Mesa, CA | Discovered: Dec 10, 2002 Type of Tunnel: 60-foot long sophisticated Suspected Purpose: Narcotics | Immigrants | Guns | Money Complete/Incomplete: Incomplete San Ysidro #1 5 Location: San Ysidro, CA | Discovered: Apr 04, 2003 Type of Tunnel: Sophisticated Suspected Purpose: Narcotics (Marijuana) Complete/Incomplete: Complete Tierra Del Sol #2 6 Location: East of Tecate, CA | Discovered: Jun 06, 2003 Type of Tunnel: Sophisticated | Electricity Installed Suspected Purpose: Narcotics - Officially unknown, although DEA suspects narcotics Complete/Incomplete: Incomplete Calexico #1 7 Location: Calexico, CA | Discovered: Sep 12, 2003 Type of Tunnel: 250-yard long sophisticated Suspected Purpose: Narcotics | Immigrants Complete/Incomplete: Incomplete Calexico #2 8 Location: Calexico, CA | Discovered: Nov 16, 2003 Type of Tunnel: Sophisticated Suspected Purpose: Unknown Complete/Incomplete: Complete San Ysidro #2 9 Location: San Ysidro, CA | Discovered: Jul 02, 2004 Type of Tunnel: Unsophisticated Suspected Purpose: Unknown EEll CCentroentro Complete/Incomplete: Incomplete San Ysidro #3 10 Location: San Ysidro, CA | Discovered: Jul 07, 2004 Type of Tunnel: Unsophisticated Suspected Purpose: Unknown SSanan DDiegoiego Complete/Incomplete: Incomplete Otay Mesa #4 11 Location: Otay Mesa, CA | Discovered: Aug 22, 2004 7 8 Type of Tunnel: Gopher Hole 12 Suspected Purpose: Unknown Complete/Incomplete: Under Construction Calexico #3 12 Location: East of Calexico POE | Discovered: Feb 25, 2005 1 6 Type of Tunnel: Sophisticated Suspected Purpose: Narcotics Complete/Incomplete: Complete 18 19 17 Otay Mesa #5 4 11 13 13 Location: Otay Mesa, CA | Discovered: Nov 16, 2005 2 3 5 14 Type of Tunnel: “Primitive Passageway” 20 15 Suspected Purpose: Unknown Complete/Incomplete: Incomplete 16 San Ysidro #4 14 Location: San Ysidro, CA | Discovered: Jan 09, 2006 9 21 Type of Tunnel: Unknown 10 Suspected Purpose: Unknown Complete/Incomplete: Incomplete Otay Mesa #6 15 Location: Otay Mesa, CA | Discovered: Jan 20, 2006 Type of Tunnel: Unknown Suspected Purpose: Unknown Complete/Incomplete: Incomplete Otay Mesa #7 16 Location: Otay Mesa, CA | Discovered: Jan 24, 2006 Type of Tunnel: Sophisticated Suspected Purpose: Narcotics Complete/Incomplete: Complete San Ysidro #5 17 Location: San Ysidro, CA | Discovered: Jan 25, 2006 Type of Tunnel: Sophisticated Suspected Purpose: Unknown Complete/Incomplete: Unknown - No exit on U.S. side Otay Mesa #8 18 Location: Otay Mesa, CA | Discovered: Jan 31, 2006 Type of Tunnel: Unsophisticated Suspected Purpose: Unknown Complete/Incomplete: Incomplete Otay Mesa #9 19 Location: Otay Mesa, CA | Discovered: Jan 31, 2006 Type of Tunnel: Unsophisticated Suspected Purpose: Unknown Complete/Incomplete: Complete San Ysidro #6 20 Location: San Ysidro, CA | Discovered: Feb 09, 2006 Type of Tunnel: Unsophisticated Suspected Purpose: Unknown Complete/Incomplete: Incomplete San Ysidro #7 21 Location: San Ysidro, CA | Discovered: Feb 09, 2006 Type of Tunnel: Unsophisticated Suspected Purpose: Unknown Complete/Incomplete: Incomplete