Spencer welcome to the forum
I have gone up a 9,000ft mountain with a 36t sprocket in 19 miles. I did have to do a little pedaling but not much. I have switched to a 44t sprocket basically because we have a 20mph speed limit and we have lot's of elevation change here in AZ. I have not been up that mountain yet since I went to the 44t but hopefully soon and plan on making some vid's for youtube.
Check out my post going up A mountain