All Closures and Refurbishments at Disneyland during March and October of 2020 and 2022

March 2020

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.
May. 30 - No details availableDowntown Disney : Downtown DisneyDowntown Disney West End Closures The following Downtown Disney locations closed in preparation for the construction of a proposed new hotel which has since been canceled. No details on what might be going into the now available retail spaces.
 
AMC Theaters
ESPN Zone
Rainforest Cafe
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.
2021 - May 28thNew Orleans Square : Disneyland ParkFantasmic! After a long closure, Fantasmic reopened in Disneyland Park on May 28th.
Apr. 01 - Returning in 2020Buena Vista Street : Disney California AdventureRed Car Trolley Closed for refurbishment in preparation for the opening of the Marvel Super Heroes land. The Red Car Trolley will return sometime in 2020.
2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
January 21, 2020 - March 2020Disneyland Park : Disneyland ResortHaunted Mansion Disneyland Park's Haunted Mansion to close for 2+ months for interior and exterior refresh, mechanical refurbishment
February 24 expected - March expectedPixar Pier : Disney California AdventureJessie's Critter Carousel General refurbishment; details unknown
March 14th, 2020 - July 25th, 2022Disneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage closed for refurbishment on March 14th, 2020. It will reopen on July 25th, 2022.

October 2020

May. 30 - No details availableDowntown Disney : Downtown DisneyDowntown Disney West End Closures The following Downtown Disney locations closed in preparation for the construction of a proposed new hotel which has since been canceled. No details on what might be going into the now available retail spaces.
 
AMC Theaters
ESPN Zone
Rainforest Cafe
2021 - May 28thNew Orleans Square : Disneyland ParkFantasmic! After a long closure, Fantasmic reopened in Disneyland Park on May 28th.
2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
March 14th, 2020 - July 25th, 2022Disneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage closed for refurbishment on March 14th, 2020. It will reopen on July 25th, 2022.

March 2022

2021 - May 28thNew Orleans Square : Disneyland ParkFantasmic! After a long closure, Fantasmic reopened in Disneyland Park on May 28th.
2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
March 14th, 2020 - July 25th, 2022Disneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage closed for refurbishment on March 14th, 2020. It will reopen on July 25th, 2022.
Oct. 4 - TBDDisneyland 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 though a reopening date has not yet been announced.
Jan 10 - SP2022Disneyland Park : Disneyland ResortSplash Mountain Splash Mountain will close temporarily for refurbishment beginning January 10th, 2022. A reopening date has not yet been announced.
Jan 10 - SP2022Disneyland Park : Disneyland ResortHaunted Mansion Haunted Mansion will close temporarily for refurbishment beginning January 10th, 2022. A reopening date has not yet been announced.
Jan. 24 - Spring 2022Disney California Adventure : Disneyland ResortGrizzly River Run Grizzly River Run will close for refurbishment starting January 24, 2022. The attraction is projected to reopen sometime in spring 2022.
Feb. 14 - Mar. 6Disneyland Park : Disneyland ResortDisneyland Monorail The Disneyland Monorail is set to close for refurbishment beginning February 14th, 2022. A reopening date has not yet been announced.
Mar. 8 - Mar. 11Disneyland Park : Disneyland ResortIndiana Jones Adventure Indiana Jones Adventure will be closed at Disneyland from March 8th until March 11th.
Mar. 9 - Early 2023Disneyland Park : Disneyland ResortMickey’s Toontown Mickey’s Toontown will close on March 9th, 2022 to make way for a completely reimagined land featuring new attractions, activities, and entertainment. The new land is set to debut in early 2023 and will be a larger space for both “spontaneous family play and parental relaxation.”
Mar. 14 - Jun. 30Disneyland Park : Disneyland ResortPirates of the Caribbean Pirates of the Caribbean will close in Disneyland Park on March 14th, 2022. Disney's website currently states that it will reopen on June 30th, 2022.

October 2022

2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
Oct. 4 - TBDDisneyland 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 though a reopening date has not yet been announced.
Mar. 9 - Early 2023Disneyland Park : Disneyland ResortMickey’s Toontown Mickey’s Toontown will close on March 9th, 2022 to make way for a completely reimagined land featuring new attractions, activities, and entertainment. The new land is set to debut in early 2023 and will be a larger space for both “spontaneous family play and parental relaxation.”
2022 - TBDDisney California Adventure : Disneyland ResortSilly Symphony Swings Silly Symphony Swings is currently closed for refurbishment in Disney California Adventure. A reopening date has not yet been announced.
May 2 - TBDDisney California Adventure : Disneyland ResortAnimation Academy Animation Academy will close in Disney California Adventure on May 2nd, 2022. A reopening date has not yet been announced.