Alto Sax Altissimo Range
Realistic expectations for alto altissimo
Altissimo on alto sax begins immediately above written high F♯ — high F sharp. Everything below that, down to low B♭, is the standard range and is covered on our standard saxophone fingering chart. Above high F♯ the notes stop being produced by opening tone holes in sequence and start being produced by venting the tube so an upper partial takes over, with your voicing deciding which one you get.
This alto saxophone altissimo fingering chart covers thirteen notes, from altissimo G up to the G an octave above it, with eighty-four fingerings in total. That is a deliberately generous set, because alto altissimo is the most documented of any saxophone and players disagree productively about which options work best.
A realistic working target for an alto player is altissimo G up to C — six notes, reliably, in tune, at any dynamic. That covers the overwhelming majority of what the repertoire asks for, and what sounds good in a musical context. Above altissimo C the fingerings become markedly more instrument-specific and more dependent on your mouthpiece and reed.
Why alto is the best horn to learn altissimo on
If you play more than one saxophone, learn altissimo on alto first. The mechanics of the alto saxophone operate in a helpful middle ground of resistance. There is enough back-pressure that the horn gives you clear, immediate feedback when your voicing is imprecise — the note simply will not speak — but not so much that it demands the air support a baritone does. Tenor, by contrast, is slacker, and will let you produce an altissimo note with a tongue position that is only roughly right, which feels easier but teaches you less.
That feedback is why alto players tend to build more accurate voicing, and why altissimo learned on alto transfers to other horns better than altissimo learned on tenor. The fingerings will not transfer — those are horn-specific — but the voicing control absolutely will.
The alto saxophone canon has a rich tradition of altissimo, from Earl Bostic through to Sanborn through to contemporary session playing. Your best chance of developing a strong altissimo register is developing a complete aural awareness of how it sounds in context.



