Best float tube for backpacking into high mountain lakes?

[IrishFloatTube]

Based on what you said I think you should look at the Outcast Trinity.

[url "http://www.outcastboats.com/outcast/products/default.aspx?id=1"]http://www.outcastboats.com/outcast/products/default.aspx?id=1[/url]

But round or donut tubes weigh light too and are worth consideration, especially on cost grounds.
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