First Nations chiefs have begun a long day of meetings to prepare for a landmark summit with Prime Minister Stephen Harper.

National Chief Shawn Atleo and about 30 other native leaders crammed into a teepee on a small island in the middle of the Ottawa River this morning for a pipe ceremony.

They will keep a sacred fire burning all day today and tomorrow, despite the forecast of cold rain.

They opened a day of preparation meant to hone their message to Harper and decide who among them will speak on First Nations' behalf.

Hundreds of chiefs are registered to participate — either in person, or remotely — but the time with Harper will be short and much of tomorrow's meeting will be ceremonial.

Both the government and the chiefs want to set a new tone of respect for their relationship and discuss economic development, education, accountability and governance.

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