Once you've explored Sakura Park, you can head over to General Grant's Tomb by crossing the street into Riverside Park. The park's entrance is located at the intersection of Riverside Drive and West 122nd Street, and you can take the steps up to the final resting place of President Ulysses Simpson Grant and his wife, Julia, is the largest mausoleum in North America, and the sixth stop of your tour. General Grant's Tomb is located inside of Riverside Park, with an entrance north of the Interchurch Center, on your western side.
The General Grant National Memorial visitor center is open Thursday through Monday from 9:00 AM to 5:00 PM. Free talks are available to the public at the visitor center, Thursday through Monday, at the following times: 11:15 AM, 1:15 PM, and 3:15 PM.