All Events, Closures and Refurbishments at Disneyland Park or Pixar Pier in Disneyland during April, May and December of 2016 and 2018

April 2016

Nov. 16 - TBATomorrowland : Disneyland ParkSeason of the Force Star Wars overlay, featuring Star Wars Launch Bay, Hyperspace Mountain, Path of the Jedi, and Star Wars-inspired foods at The Galactic Grill.
Early 2016 - May 6Adventureland : Disneyland ParkJungle Cruise Reopens May 6 after an extensive refurbishment.
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.
Jan. 11 - Apr. 29Tomorrowland : Disneyland ParkAutopia 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 - Apr. 14Frontierland : Disneyland ParkBig Thunder Mountain Railroad Refurbishment
Apr. 11 - Jun. 09Pixar Pier : Disney California AdventureSilly Symphony Swings Refurbishment
Apr. 11 - May. 19Tomorrowland : Disneyland ParkDisneyland Monorail Closed.
Apr. 16Main Street, U.S.A. : Disneyland ParkRidley Pearson Book Signing at Disneyana, Main Street, U.S.A. at Disneyland park from 9 to 11 a.m.
Apr. 18 - May. 06Fantasyland : Disneyland ParkMatterhorn Bobsleds Refurbishment

May 2016

Nov. 16 - TBATomorrowland : Disneyland ParkSeason of the Force Star Wars overlay, featuring Star Wars Launch Bay, Hyperspace Mountain, Path of the Jedi, and Star Wars-inspired foods at The Galactic Grill.
Early 2016 - May 6Adventureland : Disneyland ParkJungle Cruise Reopens May 6 after an extensive refurbishment.
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 - Jun. 09Pixar Pier : Disney California AdventureSilly Symphony Swings Refurbishment
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.

December 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.
Nov. 10 - Jan. 08Pixar Pier : Disney California AdventureWorld of Color - Season of Light This new World of Color show celebrates the season with holiday music and memorable moments from Disney animated movies.
Nov. 11 - Jan. 01Disneyland Park : Disneyland ResortPaint the Night Parade The Paint the Night Parade will return to Disneyland on select nights during the holiday season. Performance dates are currently on the Disneyland calendar are November 18-27, December 2-4, December 9-11. It's expected that the parade will run daily from December 16-January 1.
Dec. 03 - Dec. 04Main Street, U.S.A. : Disneyland ParkCandlelight Processional The Christmas story told in music and readings from the Bible. Featuring a mass choir, full orchestra, and guest narrator, performed from the Main Street Train Station. Performance times and narrators are TBD.

April 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 - Jun. 22Pixar Pier : Disney California AdventurePixar Pier Pixar Pier will transform the current Paradise Pier area into four new neighborhoods inspired by Pixar stories. The first new neighborhood will be based on "The Incredibles." Additional neighborhoods inspired by "Toy Story" and "Inside Out" will open at a later date.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureCalifornia Screamin' As part of the new Pixar Pier area, the California Screamin' attraction will be permanently transformed into the Incredicoaster, with new character moments, scenes, and a new musical score.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureMickey's Fun Wheel The Fun Wheel will be renamed the Pixar Pal-a-Round. It will be re-themed with a new look and each of the 24 gondolas will showcase a different Pixar character.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureGames of the Boardwalk New midway games will feature Pixar characters and are expected to include those from "A Bug's Life", "La Luna", and "WALL-E."
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureAriel's Grotto Closed for transformation to the Pixar-themed Lamplight Lounge, opening on June 23.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureCove Bar Closed for transformation to the Pixar-themed Lamplight Lounge, opening on June 23. The Cove Bar will re-open briefly from March 16 through May 28.
Jan. 08 - Apr. 26Fantasyland : Disneyland ParkDumbo the Flying Elephant Closed for refurbishment, including queue relocation and construction of a shade structure
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.
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.
Apr. 16 - Apr. 19Fantasyland : Disneyland ParkMatterhorn Bobsleds Closed for refurbishment
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.

May 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. 08 - Jun. 22Pixar Pier : Disney California AdventurePixar Pier Pixar Pier will transform the current Paradise Pier area into four new neighborhoods inspired by Pixar stories. The first new neighborhood will be based on "The Incredibles." Additional neighborhoods inspired by "Toy Story" and "Inside Out" will open at a later date.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureCalifornia Screamin' As part of the new Pixar Pier area, the California Screamin' attraction will be permanently transformed into the Incredicoaster, with new character moments, scenes, and a new musical score.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureMickey's Fun Wheel The Fun Wheel will be renamed the Pixar Pal-a-Round. It will be re-themed with a new look and each of the 24 gondolas will showcase a different Pixar character.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureGames of the Boardwalk New midway games will feature Pixar characters and are expected to include those from "A Bug's Life", "La Luna", and "WALL-E."
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureAriel's Grotto Closed for transformation to the Pixar-themed Lamplight Lounge, opening on June 23.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureCove Bar Closed for transformation to the Pixar-themed Lamplight Lounge, opening on June 23. The Cove Bar will re-open briefly from March 16 through May 28.
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.
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.
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.
Event Date - May 3, 2018Disneyland Park : Disneyland ResortDisneyland After Dark: Star Wars Nite This after hours party will be held on May 3, from 9:00 p.m. to 1:00 a.m., party guests may enter Disneyland starting at 6:00. Party goers will have the first opportunity to experience new entertainment offerings that begin on May 4, including a character meet and greet with Rey, the "March of First Order", and the return of Hyperspace Mountain. Ticket sales begin March 27 to Annual Passholders, and March 29 to the general public. Tickets are $99/person ages 3 and over.
May. 03Tomorrowland : Disneyland ParkSpace Mountain Closed for installation of Hyperspace Mountain overlay.

December 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.
Apr. 13 - Feb. 21Pixar Pier : Disney California AdventureWorld of Color Closed since 2018 due to undisclosed problems.