POWER OF ATTORNEY


Know all by these presents, that the undersigned hereby constitutes and appoints
each of Renzo Mori, Marianne E. Dolan Weber and Brian G. Sweeney, and each of
them individually, the undersigned's true and lawful attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, in the undersigned's capacity
as a beneficial owner of stock of Cablevision Systems Corporation (the
"Company"), (i) all reports on Forms 3, 4 and 5 and any other forms required to
be filed in accordance with Section 16(a) of the Securities Exchange Act of 1934
(the "Exchange Act") and the rules promulgated thereunder (a "Section 16 Form"),
(ii) all forms and schedules in accordance with Section 13(d) of the Exchange
Act and the rules promulgated thereunder, including all amendments thereto (a
"Section 13 Schedule"), and (iii) a Form ID and any other forms required to be
filed or submitted in accordance with Regulation S-T promulgated by the United
States Securities and Exchange Commission (or any successor provision) in order
to file a Section 13 Schedule or a Section 16 Form electronically (a "Form ID",
and, together with a Section 13 Schedule and Section 16 Form, the "Forms and
Schedules");

(2)	do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Forms and
Schedules, complete and execute any amendment or amendments thereto, and timely
file such Forms and Schedules with the United States Securities and Exchange
Commission and any stock exchange or similar authority; and

(3)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of each such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by each such attorney-in-fact on behalf
of the undersigned pursuant to this Power of Attorney shall be in such form and
shall contain such terms and conditions as he or she may approve in his or her
discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that each such attorney-in-fact, or his or
her substitute or substitutes, shall lawfully do or cause to be done by virtue
of this Power of Attorney and the rights and powers herein granted.  The
undersigned acknowledges that each such attorney-in-fact is serving in such
capacity at the request of the undersigned, and is not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 13 or Section 16 of the Exchange Act.

The Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file any Forms and Schedules with respect
to the undersigned's holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing delivered
to each such attorney-in-fact.

From and after the date hereof, any Power of Attorney previously granted by the
undersigned concerning the subject matter hereof is hereby revoked.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 16th day of December, 2016.

CHARLES F. DOLAN 2016 GRANTOR RETAINED ANNUITY TRUST #1A


By: /s/ Charles F. Dolan
Charles F. Dolan, Trustee