Question

the mist when we were miles away.
we drove through part of niagara falls state park first. the park, with trails and views, were pretty, and it had access to islands, but i wasnt up to walking much.* my sister did a great job of finding close parking so that i could get a view of the falls and not have to walk far. i didnt have much stamina because of the cancer treatments, and i couldnt stand or walk for very long. that area had an abundance of many benches, which were perfect for me to sit and rest often.
first, we saw the river rapids and the mist, which was my most favorite part, and then we heard the roar, so we knew that the falls were close. canada has the best view of the falls, however, my passport had expired, and i had to have one to get into canada. even though i was limited to the american side, i was content to see the falls from right next to them instead of across from them, and my not

Explanation:

The phrase "most favorite" is redundant as "favorite" already implies the highest degree of preference.

Answer:

The correct expression is "favorite" instead of "most favorite".