Oldest Viscosity
Port Brewing Company

Oldest ViscosityOldest Viscosity
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From:
Port Brewing Company
 
California, United States
Style:
American Imperial Stout
Ranked #1,387
ABV:
12%
Score:
89
Avg:
4.03 | pDev: 9.68%
Ratings:
20 | reviews: 6
Status:
Active
Rated:
Oct 05, 2025
Added:
Jun 30, 2017
Wants:
  2
Gots:
  4
Aged for 2 years in 23 year old Evan Williams Barrels
Recent ratings and reviews. | Log in to view more ratings + sorting options.
 
Rated: 4.25 by bigred89 from Maryland

Oct 05, 2025
Photo of SpeedwayJim
Reviewed by SpeedwayJim from New York

2.94/5  rDev -27%
look: 2 | smell: 3 | taste: 3 | feel: 3 | overall: 3
750ml corked and caged bottle into a DDG teku.

Pours thick but flat. Oily legs that somehow fail to leave an impression. Nose is lightly tart. The oxidation is noticeable. Nose is cardboard, some molasses, and moderately vinous. Some dark fruit. Prunes and grape. Beer opens peat and wet wood. Tannins, prunes, and sweet soy sauce in the middle. Subtle hints of chocolate and liquorice. Cardboard towards the end. Body is full with no carbonation. Slick and oily on the palate and goes down warm and sticky. Long, lingering aftertaste.

This one's headed downhill. All the barrel character is gone and the oxidation is noticeable. Drink 'em if you got 'em!
Jul 13, 2023
Photo of Sammy
Reviewed by Sammy from Canada (ON)

3.9/5  rDev -3.2%
look: 3.75 | smell: 3.75 | taste: 4 | feel: 3.75 | overall: 4
Dry and possibly past prime, intentionally left by Alex so as to dissipate the whiskey element. However, it is the most whiskey characteristic of almost any beer.
Nov 05, 2021
Photo of bobv
Reviewed by bobv from Vermont

4.16/5  rDev +3.2%
look: 4 | smell: 4.25 | taste: 4.25 | feel: 3.5 | overall: 4.25
750 ml. bottle.
No date.
Moderate to vigorous pour yields a 3/4 inch tan head over a near black body with some lacing. Nose of dark malt, dark chocolate, dark fruit, and bourbon, bourbon, bourbon. Yeah, might be too much whiskey for most people but I like it. Taste is mostly bourbon, with the dark fruit, and very slight vanilla and caramel. Slick finish, but the feel is lacking. Overall, if you’re looking for a booze-bomb, you’ve come to the right place.
Cheers!!!
Apr 26, 2020
 
Rated: 4.15 by fthegiants from California

Dec 18, 2019
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Reviewed by GRG1313 from California

3.75/5  rDev -6.9%
look: 3.75 | smell: 3.75 | taste: 3.75 | feel: 3.75 | overall: 3.75
This is the 2017 (I believe) and the ONLY "Oldest Viscosity" Aged in 23 year old Bourbon barrels. Decent stout but perhaps a bit too much barrel. The complexity does not add to the charm in this one.
Dec 02, 2019
 
Rated: 4.33 by Beerbom from California

Jul 05, 2019
Photo of Alieniloquium
Reviewed by Alieniloquium from Florida

3.43/5  rDev -14.9%
look: 4 | smell: 3.5 | taste: 3.5 | feel: 3 | overall: 3.25
750 mL bottle. Black. Smells super oaky with bourbon and chocolate. Tastes a little sweet. Dry and oaky. Bourbon. Bitter woody flavor. Slow and sluggish. Kinda tough to drink.
Jun 19, 2019
 
Rated: 3.75 by oline73 from Maryland

Aug 31, 2018
 
Rated: 4.02 by Bunuelian from Minnesota

Jul 04, 2018
 
Rated: 4.89 by Bum4ever from California

Apr 09, 2018
Photo of smcolw
Reviewed by smcolw from Massachusetts

4.42/5  rDev +9.7%
look: 4 | smell: 4.5 | taste: 4.5 | feel: 4 | overall: 4.5
I'm rating the 4.3.2015 version.

Typical stout look -- beige head, near black liquid, and better than typical lacing.

Beautiful, soft darker chocolate. Absolutely no harsh bitter overtones. Think dark chocolate bundt cake.

Soft and subtle yet full of amazingly rich flavor. Chocolate dominates but there's alcohol, cherry and mocha in the taste as well. The finish starts to find some coffee roots. Smooth body. This is like a string quartet to the usual Strong Ales being a full in-your-face orchestra. Delicate and big.
Feb 17, 2018
 
Rated: 4.25 by Ristaccia from Nebraska

Nov 19, 2017
 
Rated: 3.75 by mrn1ceguy from Illinois

Nov 16, 2017
 
Rated: 3.94 by REVZEB from Illinois

Nov 14, 2017
 
Rated: 4.25 by Vidblain from Minnesota

Nov 13, 2017
 
Rated: 3.93 by Sparky44 from Illinois

Nov 13, 2017
 
Rated: 4 by CPAles from Illinois

Nov 12, 2017
 
Rated: 4.27 by ystazi from Illinois

Nov 11, 2017
 
Rated: 4.27 by westcoastbeerlvr from California

Sep 04, 2017