As I slide down the eastern side of Elden Volcano, I've been trying and trying and trying to hit the air geyser in front of the left rock spire (circled in red) and never come close:
I've tried exiting the tunnel above from the left and right sides, and the middle. No trajectory gets me even close. How do I slide into the geyser in front of this spire? My hearts are getting dangerously low from continuously traveling through the lava room.