At last the day of our Panama Canal Partial Transit had arrived, Saturday, December 12, 2009. Lots of ships were waiting in the Bay of Panama for their turn to make the transit. Dozens of ships per day pass through the canal; only 3% of them are cruise ships. Look
here for more details about the canal. The charge for each cruise ship is $100 per passenger, so the MS Amsterdam had to pay the Panama Canal Authority $200,000 to do a partial transit.
As you can see on the diagram below, the Pacific Ocean (where we were) is on the RIGHT (east) and the Atlantic Ocean is on the LEFT (west) due to the twisting shape of the country of Panama.

If you click on this diagram, you will see that the first set of locks we went through (from the Pacific side) were the Miraflores locks, to bring the ship up to the level of Miraflores Lake.
You can see what I mean (that we traveled through the canal from the Pacific Ocean in the SE to Gatun Lake in the NW) on the map below:

We traveled from southeast to northwest--strange but true.
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The first bridge we went under was the Bridge of the Americas.
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This is the Panamanian pilot boat that followed along next to us up to the first set of gates, the Miraflores locks. The Panamanian pilot actually boarded our ship right up to the start of the locks, then got off.
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Another official Panama Canal boat
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We are approaching the first lock which you can see in the distance.
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The little silver train-engine-looking thing is called a "mule." Two mules are attached on each side of the ship to guide us to and through the locks so that the ship doesn't scrape up against the sides of the lock area.
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We are approaching the narrow section leading to the first Miraflores lock.
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You can see the water pouring out from the first lock (lower left this side of the lock) to lower the water level between the two locks so the ship can go into that section.
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The water has lowered almost enough in the between-the lock section so the gates can open. They are just about to open…
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…and they start to open…
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…and our ship moves into the section between the locks, where we wait for water from Miraflores Lake to pour into that section so that the ship will rise up to the level of the lake.
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You can see how close we are to the concrete area. It looked like only 8 to 12 inches between the side of the ship and the concrete wall on each side.
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Panama Canal official buildings
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The section between the locks has filled up after 30 minutes or so and we move ahead through the lock toward Miraflores Lake.
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The locks are almost all the way open for us to enter Miraflores Lake. It took about an hour to raise us up from sea level at the Pacific Ocean to Miraflores Lake, going through the two gates. It is amazing to me that the entire Panama Canal was built without power tools in the early 1900s and it is based on gravity. The only electricity used is in opening and closing the gates.
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Looking behind our ship, we see more ships coming through. I was surprised to learn that the product most often going through the canal is wood. Grain and ore are second and third.
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We're well past the Miraflores locks, into Miraflores Lake
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Jerry relaxes in one of the lounges as we cruise through the first lake, Miraflores.
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