All Closures and Refurbishments at Disney California Adventure or Disneyland Park in Disneyland during September and November of 2018 and 2023

September 2018

Aug. 2015 - May. 31Disneyland Park : Disneyland ResortStar Wars: Galaxy's Edge The 14-acre Star Wars-themed land that was announced during the 2015 D23 EXPO opens at Disneyland on May 31.
Mar. 02 - Opening April, 2019.Pixar Pier : Disney California AdventureKing Triton's Carousel Closed for re-theming to Jessie's Critter Carousel as part of the Pixar Pier transformation. Jessie's Critter Carousel is cheduled to open in April, 2019.
Mar. 19 - Opening 2020a bug's land : Disney California AdventureIt's Tough to be a Bug Closed March 19, 2018, to be replaced by the new Marvel Super Heroes area, opening in 2020.
Mar. 20 - Opening 2020a bug's land : Disney California AdventureMarvel Super Heroes-Themed Land The Guardians of the Galaxy will be joined by Spider-Man and the Avengers in what will become a completely immersive Super Hero universe. This new land, opening in 2020, will be anchored by the Guardians of the Galaxy - Mission: BREAKOUT!, in the adjacent space that is currently occupied by "a bug's land." "It's Tough to Be a Bug" closed March 19; the rest of the land will close September 5.
Apr. 13 - Late 2018.Pixar Pier : Disney California AdventureWorld of Color Closed for refurbishment.
Apr. 13 - Feb. 21Pixar Pier : Disney California AdventureWorld of Color Closed since 2018 due to undisclosed problems.
Aug. 06 - Oct. 02Adventureland : Disneyland ParkEnchanted Tiki Room Closed for refurbishment.
Aug. 14 - Sep. 27Main Street, U.S.A. : Disneyland ParkMain Street Cinema Closed for refurbishment.
Aug. 20 - Sep. 06New Orleans Square : Disneyland ParkHaunted Mansion Closed for installation of holiday overlay.
Sep. 05 - Permanent Closurea bug's land : Disney California AdventureBug's Land Closure "A bug's land", including Flik's Fun Fair, will be closing permanently starting September 5. The area will be re-imagined as Marvel Super Heroes land, opening in 2020.
Sep. 06Tomorrowland : Disneyland ParkSpace Mountain Closed for installation of holiday overlay.
Sep. 10 - Sep. 13Frontierland : Disneyland ParkSailing Ship Columbia Closed for refurbishment.
Sep. 10 - Sep. 16Pixar Pier : Disney California AdventureGolden Zephyr Closed for refurbishment.
Sep. 24 - Sep. 28Frontierland : Disneyland ParkPirate's Lair on Tom Sawyer Island Closed for refurbishment.

November 2018

Aug. 2015 - May. 31Disneyland Park : Disneyland ResortStar Wars: Galaxy's Edge The 14-acre Star Wars-themed land that was announced during the 2015 D23 EXPO opens at Disneyland on May 31.
Mar. 02 - Opening April, 2019.Pixar Pier : Disney California AdventureKing Triton's Carousel Closed for re-theming to Jessie's Critter Carousel as part of the Pixar Pier transformation. Jessie's Critter Carousel is cheduled to open in April, 2019.
Mar. 19 - Opening 2020a bug's land : Disney California AdventureIt's Tough to be a Bug Closed March 19, 2018, to be replaced by the new Marvel Super Heroes area, opening in 2020.
Mar. 20 - Opening 2020a bug's land : Disney California AdventureMarvel Super Heroes-Themed Land The Guardians of the Galaxy will be joined by Spider-Man and the Avengers in what will become a completely immersive Super Hero universe. This new land, opening in 2020, will be anchored by the Guardians of the Galaxy - Mission: BREAKOUT!, in the adjacent space that is currently occupied by "a bug's land." "It's Tough to Be a Bug" closed March 19; the rest of the land will close September 5.
Apr. 13 - Late 2018.Pixar Pier : Disney California AdventureWorld of Color Closed for refurbishment.
Apr. 13 - Feb. 21Pixar Pier : Disney California AdventureWorld of Color Closed since 2018 due to undisclosed problems.
Sep. 05 - Permanent Closurea bug's land : Disney California AdventureBug's Land Closure "A bug's land", including Flik's Fun Fair, will be closing permanently starting September 5. The area will be re-imagined as Marvel Super Heroes land, opening in 2020.
Nov. 12 - Nov. 16Frontierland : Disneyland ParkMark Twain Riverboat Closed for refurbishment.

September 2023

Oct. 4, 2021 - Nov. 10th, 2023Disneyland Park : Disneyland ResortTarzan's Treehouse Tarzan's Treehouse will close for refurbishment beginning October 4th, 2021. Disney has revealed that the attraction is being rethemed to an adapted version of the original Swiss Family Treehouse concept that Walt and his Imagineers envisioned in 1962.
January 9th - January 18thDisneyland Park : Disneyland Resort"it's a small world" Holiday "it's a small world" Holiday will close January 9th, 2023 to reopen as "it's a small world"
February 17th, 2023 - Tiana’s Palace Restaurant will replace this locationDisneyland Park : Disneyland ResortFrench Market This Disneyland restaurant closed permanently on February 17th, 2023, in order to make way for the NEW Tiana’s Palace restaurant. The new spot will feature food inspired by Disney’s The Princess and the Frog.
February 17th, 2023 - TBADisneyland Park : Disneyland ResortMint Julep Bar The Mint Julep Bar is also closed as Disneyland works on Tiana’s Palace, but it’s going to reopen as part of the new restaurant.
April 2023 - September 5thNew Orleans Square : Disneyland ParkFantasmic! During a spring performance of Fantasmic! in Disneyland, the Maleficent dragon (who is supposed to breathe fire during the show) caught on fire. After the incident, the show was suspended indefinitely and Disney released a statement that it would temporarily suspend fire effects at select shows GLOBALLY “out of an abundance of caution.”
May 31st - Late 2024Disneyland Park : Disneyland ResortSplash Mountain Splash Mountain will close on May 31st, 2023 to reopen as the new Tiana's Bayou Adventure in late 2024.
July 5th - September 1stDisneyland Park : Disneyland ResortDisneyland Monorail The Disneyland Monorail is set to close for refurbishment beginning July 5th, 2023. A reopening date has not yet been announced.
Sept 11th, 2023 - Sept 15th, 2023Frontierland : Disneyland ParkSailing Ship Columbia Closed for refubishment
Sept 17th, 2023 - Feb 24th, 2024Frontierland : Disneyland ParkMark Twain Riverboat Closed for refurbishment.
Sept 18th, 2023 - Oct 26th, 2023Tomorrowland : Disneyland ParkSpace Mountain Closed for Refurbishment

November 2023

Oct. 4, 2021 - Nov. 10th, 2023Disneyland Park : Disneyland ResortTarzan's Treehouse Tarzan's Treehouse will close for refurbishment beginning October 4th, 2021. Disney has revealed that the attraction is being rethemed to an adapted version of the original Swiss Family Treehouse concept that Walt and his Imagineers envisioned in 1962.
January 9th - January 18thDisneyland Park : Disneyland Resort"it's a small world" Holiday "it's a small world" Holiday will close January 9th, 2023 to reopen as "it's a small world"
February 17th, 2023 - Tiana’s Palace Restaurant will replace this locationDisneyland Park : Disneyland ResortFrench Market This Disneyland restaurant closed permanently on February 17th, 2023, in order to make way for the NEW Tiana’s Palace restaurant. The new spot will feature food inspired by Disney’s The Princess and the Frog.
February 17th, 2023 - TBADisneyland Park : Disneyland ResortMint Julep Bar The Mint Julep Bar is also closed as Disneyland works on Tiana’s Palace, but it’s going to reopen as part of the new restaurant.
May 31st - Late 2024Disneyland Park : Disneyland ResortSplash Mountain Splash Mountain will close on May 31st, 2023 to reopen as the new Tiana's Bayou Adventure in late 2024.
Sept 17th, 2023 - Feb 24th, 2024Frontierland : Disneyland ParkMark Twain Riverboat Closed for refurbishment.