The "Star trek" canon concordance
Places: L is for Lake
- L-370 System (UFP): Planetology: Planets: (7); Destruction: (Planet killer)
- L-374 System (UFP): Planetology: Planets: (>2); Destruction: (Planet killer destroys all but 2)
- Laboratory (Orbital, T'lani): Bashir and O'Brien, Miles, Miles: Eradicate Harvesters
- Laboratory (Vandor IV): Creation: (Paul Manheim) - Destruction: (Temporal experiment) - Security: (Force field); Phasers: Destruction: Data; Transporter block
- Laboratory (Vandor IV): Creation: (Paul Manheim) - Protected area: (Jenice Manheim)
- Lan'tuan Sector (?Alpha Quadrant): Neelix: (Believes will be Ambassador)
- Larhana Settlement (Kradin/Vori planet, Delta Quadrant): Simulacrum: Vori: Training village
- Lakarian City (Cardassia Prime, Cardassian Union): Destruction: (Dominion) - Residents: (>2 million dead) - Use: (Popular amusement centre)
- Laktivia Recreational Facility (Heva III, Delta Quadrant): Paris, Tom: Desires while in Akritirian prison
- Lake: Fairhaven holoprogram: Janeway and Sullivan, Michael: (Picnic)
- Lantaro Sector (UFP): Planetology: Subspace ruptures: Stable warp field impossible
- Las Vegas (USA, North America, Earth): Casino Holoprogram - Construction: (Bugsy Segal) - Chakotay: (Chaotic Space vision quest)
- Lasumo (Bajor): Use: Grain processing centre
- Launch Control (Tachyon Planet): (Becomes Tactical Command Centre)
- Lenar Province (Bajor): D'kor mountains: Retasha pass leads into from Serpent's Ridge
- Leningrad (Europe, Earth): See Saint Petersburg
- Library (Ilaria, Delta Quadrant): Tieran: Charitable project
- Library (Memory Alpha, UFP): Destruction: Zetarians
- Library (Sarpedion, Beta Niobe system): Atavachron - Resources: Recordings: (>20,000)
- Lima Sierra System: Spatiography: Planets: (4)
- Lisbon (Africa, Earth): Office of Planetary Operations: (Red Squad sabotages planetary power system)
- Listening Post Morska (Klingon Empire): USS Enterprise-A: Deceives
- Lokirrim Space (Delta Quadrant): Planetology: Pulsar cluster: Causes hull vibration
- London (England, UK, Europe, Earth): 2026: Baseball team: Kings - Jack the Ripper: (Commits mass murder) - Victorian era: Sherlock Holmes holoprogram
- Lorenze Cluster: Planetology: Planets: Minos - Crusher, Wesley: Guinan: Shows
- Louisiana (USA, North America, Earth): Bayou: House: Joseph Sisko: (Resided); Jake: Resides
- Lunar V Base (Bajoran System): Bajora: Sub-impulse raiders
