Gatun Locks
Colón
The Gatun Locks are a vital part of the Panama Canal's lock system, lifting ships approximately 85 feet (26 meters) to the canal's main elevation at Gatun Lake. Opened in 1914, these locks were among the greatest engineering feats of their time, consisting of a triple flight of lock chambers that lower vessels to the Atlantic side. Each lock chamber measures 110 feet wide and 1,050 feet long, defining the maximum size of Panamax ships that can transit the canal. The massive concrete walls, some up to 55 feet thick at the base, support the enormous water volumes required to raise and lower ships using gravity-fed culverts and valves. The Gatun Locks operate in pairs, allowing for redundancy and maintenance without halting canal traffic. Their design and operation remain a testament to early 20th-century ingenuity and continue to be a major attraction for visitors interested in maritime engineering and canal history.
Plan your trip to Panama with AI
Create a detailed itinerary in minutes. AI suggests the best places, restaurants, and an optimized route.
Tip: Visitors are advised to go during the dry season (December to April) for clearer views and less rain. It's recommended to purchase tickets for the visitor center in advance to avoid queues. The visitor center offers excellent vantage points to watch the locks in operation. Discounts may be available for students, seniors, and groups. Guided tours can enhance understanding of the locks' complex engineering and history.
Interesting facts
- •The Gatun Locks lift ships 85 feet (26 meters) to the Panama Canal's main elevation.
- •Each lock chamber requires approximately 26.7 million gallons (101,000 cubic meters) of water to fill.
- •The lock walls are up to 55 feet thick at the base, tapering to 8 feet at the top.
- •The locks operate using gravity to fill and drain chambers via large culverts and valves.
- •The Gatun Locks were one of the largest concrete constructions of their time, preceding the Hoover Dam.
- •The lock chambers limit the maximum size of ships that can transit the canal, known as Panamax size.
History
Construction of the Panama Canal, including the Gatun Locks, was completed in 1914 after overcoming immense engineering challenges.
The locks were designed to lift ships 85 feet to the man-made Gatun Lake, facilitating passage across the isthmus.
Over the decades, the locks have undergone maintenance and upgrades but largely retain their original structure.
The Panama Canal expansion project, completed in 2016, introduced new, larger locks nearby to accommodate bigger vessels, but the Gatun Locks remain operational and historically significant.
Place Guide
Gatun Lock Chambers1914
The three-step flight of lock chambers that raises and lowers ships 85 feet between Gatun Lake and the Atlantic Ocean. Visitors can observe the massive concrete structures and the operation of the huge gates and water valves.
Visitor Center and Observation Deck
Provides panoramic views of the locks in operation, educational exhibits on the canal's history and engineering, and facilities for tourists.
