POWER OF ATTORNEY
                     FOR SECTION 16 REPORTING OBLIGATIONS

KNOW ALL BY THESE PRESENTS, that the undersigned hereby makes, constitutes and
appoints Marc Smernoff, Andrea Darweesh and Daniel Deckbar, each one, as the
undersigned's true and lawful attorney-in-fact, with full power and authority as
hereinafter described on behalf of and in the name, place and stead of the
undersigned to:

(1) prepare, execute in the undersigned's name and on the undersigned's behalf
    and submit to the U.S. Securities and Exchange Commission (the "SEC") a Form
    ID, including amendments thereto, and any other documents necessary or
    appropriate to obtain codes and passwords enabling the undersigned to make
    electronic filings with the SEC of reports required by Section 16(a) of the
    Securities Exchange Act of 1934 and the rules and regulations promulgated
    thereunder, as amended (the "Exchange Act");

(2) prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5 (including
    any amendments thereto) with respect to the securities of Americold Realty
    Trust, a Maryland real estate investment trust (the "Company"), with the
    SEC, any national securities exchanges and the Company, as considered
    necessary or advisable under Section 16(a) of the Exchange Act;

(3) seek or obtain, as the undersigned's representative and on the undersigned's
    behalf, information on transactions in the Company's securities from any
    third party, including brokers, employee benefit plan administrators and
    trustees, and the undersigned hereby authorizes any such person to release
    any such information to the undersigned and approves and ratifies any such
    release of information; and

(4) perform any and all other acts which in the discretion of such attorney-in-
    fact are necessary or desirable for and on behalf of the undersigned in
    connection with the foregoing.

The undersigned acknowledges that:

(1) this Power of Attorney authorizes, but does not require, such attorneys-in-
    fact to act in their discretion on information provided to such attorney-in-
    fact without independent verification of such information;

(2) any documents prepared and/or executed by such attorney-in-fact on behalf of
    the undersigned pursuant to this Power of Attorney will be in such form and
    will contain such information and disclosure as such attorney-in-fact, in
    his or her discretion, deems necessary or desirable;

(3) this Power of Attorney does not relieve the undersigned from responsibility
    for compliance with the undersigned's obligations under the Exchange Act,
    including without limitation the reporting requirements under Section 16 of
    the Exchange Act; and

(4) neither the Company nor such attorney-in-fact assumes any liability for the
    undersigned's responsibility or failure to comply with the requirements of
    the Exchange Act, including without limitation for profit disgorgement under
    Section 16(b) of the Exchange Act.

The undersigned hereby ratifies all that such attorneys-in fact of, for and on
behalf of the undersigned, shall lawfully do or cause to be done by virtue of
this Power of Attorney.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 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 the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 13th day of January, 2018.

                                        /s/ Marc J. Smernoff
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                                        Signature

                                        Marc J. Smernoff
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