All Closures and Refurbishments at Disney California Adventure, Disneyland Park or Downtown Disney in Disneyland during January and July of 2017 and 2021

January 2017

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. 02 - May. 26Hollywood Land : Disney California AdventureNew Guardians of the Galaxy theme for the Tower of Terror The Tower of Terror will be re-imagined into a new Guardians of the Galaxy - Mission: BREAKOUT! attraction, scheduled to open on May 27,2017
Jan. 09 - Jan. 19New Orleans Square : Disneyland ParkHaunted Mansion Closed January 9-19 for removal of holiday overlay.
Jan. 09 - Feb. 02Adventureland : Disneyland ParkJungle Cruise Closed January 9 - February 2 for refurbishment and removal of holiday overlay.
Jan. 09 - Mar. 22Grizzly Peak : Disney California AdventureGrizzly River Run Closed for refurbishment
Jan. 17 - Feb. 23Grizzly Peak : Disney California AdventureRedwood Creek Challenge Trail Closed January 17 for refurbishment.
Jan. 22 - Feb. 02Fantasyland : Disneyland Park"it's a small world" Closed January 22 - February 2 for removal of holiday overlay.

July 2017

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.
May. 30 - Jul. 27Hollywood Land : Disney California AdventureSorcerer's Workshop Closed for refurbishment

January 2021

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
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.

July 2021

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
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.