Saguaro National Park East and West are separated by the city of Tucson so I had to ride clear across town to get to the western half. I had talked to the park rangers to learn about which roads were paved and which were gravel (and not very motorcycle-friendly), which was helpful.
The rangers said the western half of the park would have more saguaro cacti but smaller ones. They were right. They didn't mention the more dramatic rocky terrain but it was cool and a nice contrast from the eastern half of the park.
I exited the park as the sun was setting.
Map of Day 4's ride (215 miles, 4h 46m of riding)
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I grabbed some dinner at a place called HiFalutin Rapid Fire Western Grill (another delicious meal - I had the flank steak) and headed back to the hotel to plan my final full day's ride.
By the way, if you really liked all the photos of saguaro cacti, you'll have to plan your own to trip to Arizona (not Texas). If you don't believe me, you can ask the Reverend: