Complex sentence: Trips usually depart Norman Wells by float plane and land on the river at the Natla-Keele Confluence and last 12 to 14 days, however it is feasible to have a longer trip by pairing the Keele with the Natla river.
Split into simpler sentences: Trips usually depart Norman Wells by float plane and land on the river at the Natla-Keele Confluence. Trip length is usually between 10 to 14 days, however it is feasible to have a longer trip by pairing the Keele with the Natla river.