All Closures and Refurbishments at Disneyland Park in Disneyland during July and September of 2018 and 2021

July 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. 16 - Jul. 26Frontierland : Disneyland ParkBig Thunder Mountain Railroad Closed for refurbishment
Jul. 16Tomorrowland : Disneyland ParkPath of the Jedi Closed for refurbishment.
Jul. 30 - Re-opening date not yet available.Fantasyland : Disneyland ParkMatterhorn Bobsleds Closed for refurbishment.
Jul. 30 - Aug. 03Fantasyland : Disneyland ParkPinocchio's Daring Journey Closed for refrbishment.

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.
Jul. 30 - Re-opening date not yet available.Fantasyland : Disneyland ParkMatterhorn Bobsleds Closed for refurbishment.
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. 06Tomorrowland : Disneyland ParkSpace Mountain Closed for installation of holiday overlay.
Sep. 10 - Sep. 13Frontierland : Disneyland ParkSailing Ship Columbia Closed for refurbishment.
Sep. 17 - Sep. 20Frontierland : Disneyland ParkMark Twain Riverboat Closed for refurbishment.
Sep. 24 - Sep. 28Frontierland : Disneyland ParkPirate's Lair on Tom Sawyer Island Closed for refurbishment.

July 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.
Mar. 14, 2020 - TBDDisneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage will close for refurbishment beginning March 14th, 2021. A reopening date has not yet been announced.

September 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.
Mar. 14, 2020 - TBDDisneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage will close for refurbishment beginning March 14th, 2021. A reopening date has not yet been announced.
Sept. 9 - Nov. 5Disneyland Park : Disneyland ResortBig Thunder Mountain Railroad Big Thunder Mountain Railroad will close for refurbishment from September 9th through November 5th, 2021.