Is there anything else in the following sentence that needs capitalizing: "In January we are going to the Sierra winter carnival at Lake Tahoe."

winter and carnival need to be capitalized because it is the name of a specific carnival.

Winter Carnival should also be capitalized because it's a proper noun, a specific event.

Yes, according to standard capitalization rules, the word "Winter" in the sentence "In January we are going to the Sierra winter carnival at Lake Tahoe" should also be capitalized. This is because "Winter" is a proper noun and is part of the name "Sierra Winter Carnival."

To check for correct capitalization, you can follow these steps:

1. Look for the beginning of a sentence or quotation: The first word in a sentence or after a quotation mark should always be capitalized.

2. Proper nouns: Capitalize the first letter of proper nouns, which include specific names of people, places, companies, organizations, events, and titles.

3. Titles of works: Capitalize the principal words in the title of books, movies, songs, articles, etc.

4. Pronouns: Capitalize the pronoun "I" when referring to oneself.

5. Acronyms and initialisms: Capitalize each letter in abbreviations (e.g., NASA, FBI).

By following these general capitalization rules, you can ensure proper capitalization in your written work.