All Closures and Refurbishments at Disneyland Park or Hotels in Disneyland during May and September of 2016 and 2019

May 2016

Jan. 10 - Jul. 29Frontierland : Disneyland ParkRivers of America Attractions Disneyland Railroad and most Rivers of America attractions (including Fantasmic!) are closed temporarily to make room for the construction of the new Star Wars land. Pirate's Lair on Tom Sawyer Island has re-opened. Fantasmic! opens on July 17. Davy Crockett Explorer Canoes, Mark Twain Riverboat, Sailing Ship Columbia and Disneyland Railroad reopen on July 29.
Jan. 11 - May. 06Adventureland : Disneyland ParkJungle Cruise Removal of holiday overlay and refurbishment.
Apr. 03 - PERMANENT CLOSURETomorrowland : Disneyland ParkAvengers Super Hero HQ Final Day is April 2. The character Meet-and-Greet, featuring Captain America and Spider-Man, will move to Disney California Adventure starting on April 3.
Apr. 11 - May. 19Tomorrowland : Disneyland ParkDisneyland Monorail Closed.
Apr. 18 - May. 06Fantasyland : Disneyland ParkMatterhorn Bobsleds Refurbishment
May. 09 - May. 13New Orleans Square : Disneyland ParkBlue Bayou Refurbishment
May. 09 - May. 15New Orleans Square : Disneyland ParkPirates of the Caribbean Refurbishment
May. 16 - Jun. 09Adventureland : Disneyland ParkTarzan's Treehouse Refurbishment
May. 23 - May. 26Tomorrowland : Disneyland ParkGalactic Grill Refurbishment - presumably to remove the Star Wars overlay.

September 2016

Jan. 10 - Jul. 29Frontierland : Disneyland ParkRivers of America Attractions Disneyland Railroad and most Rivers of America attractions (including Fantasmic!) are closed temporarily to make room for the construction of the new Star Wars land. Pirate's Lair on Tom Sawyer Island has re-opened. Fantasmic! opens on July 17. Davy Crockett Explorer Canoes, Mark Twain Riverboat, Sailing Ship Columbia and Disneyland Railroad reopen on July 29.
Aug. 22 - Sep. 08New Orleans Square : Disneyland ParkHaunted Mansion Short refurbishment to apply the Nightmare Before Christmas overlay for the Halloween and Christmas seasons. Re-opens on September 9.
Aug. 22 - Sep. 29Main Street, U.S.A. : Disneyland ParkGreat Moments with Mr. Lincoln Refurbishment.
Sep. 06 - Sep. 08Tomorrowland : Disneyland ParkHyperspace Mountain Closed for seasonal conversion to Space Mountain Ghost Galaxy. Ghost Galaxy opens September 9, and runs through October 31.
Sep. 11 - Sep. 15Paradise Pier Hotel : HotelsParadise Pool and Spa Closed for refurbishment
Sep. 12 - Sep. 14Adventureland : Disneyland ParkIndiana Jones Adventure Closed for refurbishment
Sep. 12 - Sep. 18Toontown : Disneyland ParkDonald's Boat Closed for refurbishment
Sep. 19 - Sep. 21Toontown : Disneyland ParkGadget's Go Coaster Refurbishment

May 2019

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.
January 2019 - May. 24Fantasyland : Disneyland ParkSleeping Beauty Castle Closed for refurbishment. The castle walkthrough will close on Jan. 17. The accessible "Enchanted Chamber" experience is also closed.
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.
May. 06 - May. 16New Orleans Square : Disneyland ParkCafe Orleans Closed for refubishment

September 2019

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.