62 ROCKETS, LABS AND INDUSTRY / SIGNAL HILL

Signal Hill oil field and Hilltop Park

'Porcupine Hill': a city of oil wells inside Long Beach. A tiny city entirely surrounded by Long Beach, built on one of the world's most productive oil strikes; working wells still dot the slopes below a viewpoint park.

The facts

Blank means no source we checked says

Where	Hilltop Park, Skyline Dr, Signal Hill
Built	1921 (oil discovery)
Architect or builder	Unavailable
Kind	Rockets, labs and industry
Status	standing
Visiting	public
From El Segundo City Hall	16.4 miles, straight line
Coordinates	33.802, -118.167 (approximate)

What the sources say

Quoted word for word, with labels

Shell's Alamitos #1 well erupted on June 23, 1921. On June 23, 1921, Royal Dutch Shell's Alamitos #1 well erupted. Wikipedia ↗ reported
Signal Hill is an enclave completely surrounded by Long Beach. Partially high on an eponymous hill, the city is an enclave completely surrounded by the city of Long Beach. Wikipedia ↗ reported
It is still a productive oil field with wells and derricks remaining. Signal Hill is still a productive oil field and several wells and derricks remain. Wikipedia ↗ reported

Labels: fact is an official or owner source, listing a venue page, reported one news outlet or an encyclopedia. Checked Nov 3, 2026. See something wrong? Send a correction with a public link.

Nearby on the list

Closest entries, straight line

Long Beach Airport historic terminal, Long Beach 1.4 mi
Villa Riviera, Long Beach 2.7 mi
THUMS Islands (Astronaut Islands), Long Beach 2.9 mi

← No. 61: Point Fermin Lighthouse · No. 63: Long Beach Airport historic terminal → · All on the map

Cite this

For people, papers and AI answers

Signal Hill oil field and Hilltop Park. elsegundo.xyz Architecture, checked Nov 3, 2026. https://elsegundo.xyz/architecture/signal-hill-oil-field/

Machine-readable: this entry is record 62 in catalog.json. Not an official City of El Segundo page, and not written with or for the owner.