Great Sand Dunes National Park, Colorado

You should always carry a good tire pressure gauge and shovel when traveling in sand. We aired the big Goodyear MT/Rs down to 45 psi in the rear and 35 psi in the front and had no problems floating on the soft sand.

The next morning we cooked a nice breakfast on the diesel stove and made our plans for the day. With the other RVs tethered to the pavement, we headed out the next morning on the Medano Pass Primitive Road for an afternoon of exploration. We quickly came to the point where the two wheel drive vehicles were relegated to a parking lot. After locking in the hubs and airing down to about 45 psi in the rear and 35 psi up front, we dropped into four low and headed out through the sand. The 37x12.5 Goodyear MT/Rs easily walked through the soft sand and we enjoyed the "cushy" ride of the aired-down tires.

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