Fishing Bridge campground is really, REALLY crowded, but is about the only campground inside Yellowstone Park that takes reservations and is at a pretty convenient location. At the Mud Volcano location, we met a ranger who talked about the park and the bison. He's been a summer ranger for 35 years, and was fun to listen to. Check out the Norris geyser basin and its boardwalk. We visited the upper and lower Canyon falls, walking down the 500+ steps to the lower falls. The trip is worth it. From Madison Junction to Old Faithful, take the side road and see Firehole Canyon and Falls. On this one, smaller RVs are definitely better. Diesel is $3.09 in the town of West Yellowstone. The highlight of the town is the Grizzly and Wolf Discovery Center, which is
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