This map has been compiled from the latest satellite images of the Groom Lake Base, combined with the input from very reliable sources who prefer to remain anonymous. Last update 06/2023.
You may also be interested in our Google Earth Plug-in: Area 51 Building Map and other Google Earth plug-ins in our Maps section
Legend
# Building # Comments 1 110 Quick Kill Radar Site 2 200 Hangar 4 3 202 Hangar 5 4 208 Hangar 6 5 206 Hangar 7 6 217-220 Old U-2 hangars 7 265 Base Supply and Administration Building 8 275 Consolidated Services Facility 9 299 Test Engineering Support Center 10 300-335 Dormitories 11 400-404 Janet Terminal 12 285 Shipping and Receiving Facility 13 430 Hangar 18 14 431-432 Hangar 18 support buildings 15 437 Fire Station #2 15 438 P.E. Building ("Personal Equipment", flight preparation) 16 443 Hangar 8 16a 441,442,444 Hangar 8 support buildings 17 Hangars 20 and 21 18 Hangars 22 and 23 19 Hangars 20-23 storage building 20 470 Hangar 17 21A 480 Hangars 16 and 15 21B 480 Hangars 14 and 13 21C 482 Hangars 12 and 11 21D 482 Hangars 10 and 9 22 485 Weapons Bunker 23 730 Hangar 19, Arm/De-Arm, Scoot-n-Hide 24 710 Control Tower 25 123 Dish Antenna Building 26 120 Range Maintenance Shop 27 122 Range B.E. Office 28 131? 29 130 DYCOMS Radar Building 30 DYCOMS Dish 31 Helicopter Ramp 32 103 Red Hat Quonset Storage 33 100,101 Hangar 2, Red Hat Storage 34 267 Old Dining Hall 35 269 Old Base Headquarters 36 170 Sam's Place, Gym and Swimming Pool 37 Baseball field 38 Water Tower 39 410 Photo Lab and Precision Measurement Equipment Lab (PMEL) 40 412 Main Security Building 41 447 Compressor Building 42 476 Steam Plant 43 New Scoot-n-Hide shelter 44 213 Fire Station #1 45 Runway 14L/32R (new runway, built 1991) 46 Runway 14R/32L (old runway, built 1960, no longer used) 47 Southern Taxiway 48 New Center Taxiway (Spring 2003) 49 New Quonset Hut (2003) 50 Construction/Building Maintenance Workshops 51 Building Supplies Administration 52 Old Toxic Waste burning pits 53 New smaller building (2003) with indications of a larger underground structure, possibly a new buried tank. Underground lines leading to #20, 41 and 42 from here. 54 Building Supplies Facility; New Twin Hangar (Late 2002/Early 2003) 55 2005 Hangar New Hangar east of Hangar 9 (Spring 2005) 56 New Extension to Hangar 19 (Spring 2005) 57 New Extension to Hangar 19 (Spring 2005) 58 New tower structure near RCS range (Late 2005) 59 New Base Headquarters (2005) 60 New building east of Hangar 17 (2005) 61 2007 Hangar New large hangar (Spring/Summer 2007) 62 2009 Hangar New large hangar at the South Ramp (Winter 2009 - Spring 2010; demolished around 2020) 63 Northern taxiway 64 New endgine test hangar ("hush house", 2012) 65 Power substation 66 Backup power generators 67 F-16 ramp 68 New 2-story dorm building 69 New dining hall (2013) 70 New data center (2020) 71 New large shelters east and west of Hangars 20-23 (2020) 72 Water tanks on the hillside for the south ramp area 73 Equipment maintenance yard 74 Shooting range 75 Fuel tanks 76 Gravel pit 77 Concrete plant 78 2014 Hangar New pull-through hangar to conceal sensitive aircraft being readied for a mission (2014)