But they presumed to go up unto the hill top: nevertheless the ark of the covenant of the Lord, and Moses, departed not out of the camp. (Numbers 14:44)
A glaring case of foolhardy and presumptuous conduct against the will of God.
The ark.
The cloud rested over the tabernacle; therefore Moses made no move to leave the camp, and the Levites did not bear the ark before the people (chs. 9:21, 22; 10:33). Apparently, aside from the Levites, all the other tribes set out.