All Closures and Refurbishments at Disneyland Park in Disneyland during March, June, August and November of 2015, 2018 and 2021

March 2015

Early 2015 - Apr. 10Tomorrowland : Disneyland ParkMagic Eye Theater The theater house the sneak preview of the upcoming film "Tomorrowland." This sneak peek will play every 15-20 minutes throughout the day. No FastPass+ will be available. It's not known at this time whether Captain EO will return when the sneak preview is over.
Early 2015 - Apr. 02Critter Country : Disneyland ParkHungry Bear Restaurant
Jan. 07 - May. 16Fantasyland : Disneyland ParkMatterhorn
Feb. 02 - Jul. 02Fantasyland : Disneyland ParkPeter Pan's Flight

June 2015

Feb. 02 - Jul. 02Fantasyland : Disneyland ParkPeter Pan's Flight
Apr. 01 - 2016Tomorrowland : Disneyland ParkInnoventions

August 2015

Apr. 01 - 2016Tomorrowland : Disneyland ParkInnoventions

November 2015

Apr. 01 - 2016Tomorrowland : Disneyland ParkInnoventions

March 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.
Jan. 02 - Apr. 13Critter Country : Disneyland ParkSplash Mountain Closed for refurbishment
Jan. 08 - Apr. 26Fantasyland : Disneyland ParkDumbo the Flying Elephant Closed for refurbishment, including queue relocation and construction of a shade structure
Jan. 08 - Late winter 2018Main Street, U.S.A. : Disneyland ParkReplacement of Main Street Trolley Tracks The trolley tracks will be completely replaced and new brickwork will be incorporated.
Jan. 08 - Mar. 15Main Street, U.S.A. : Disneyland ParkMain Street Vehicles Unavailable due to the trolley track replacement project.
Feb. 05 - Mar. 01Fantasyland : Disneyland ParkCasey Jr. Circus Train Closed for refurbishment.

June 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.
Apr. 23 - Jun. 07New Orleans Square : Disneyland ParkPirates of the Caribbean Closed for refurbishment, including modifications to the auction scene replacing the sale of "brides" with valuables, with the "Red Head" as the auctioneer.
Jun. 11 - Jun. 14Adventureland : Disneyland ParkIndiana Jones Adventure Closed for refurbishment.

August 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.
Jul. 30 - Aug. 03Fantasyland : Disneyland ParkPinocchio's Daring Journey Closed for refrbishment.
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.

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.
Nov. 12 - Nov. 16Frontierland : Disneyland ParkMark Twain Riverboat Closed for refurbishment.

March 2021

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.

June 2021

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.

August 2021

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.

November 2021

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, 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.
Nov. 11 - Dec. 4Disneyland Park : Disneyland Resort"it's a small world" Holiday "it's a small world" Holiday is reportedly closed due to flooding. It is expected to reopen December 4th, 2021.