Before you begin, ensure you have access to a Snowflake account and have the necessary privileges to create databases, schemas, and tables. Set up a Snowflake environment by logging into the Snowflake web interface and navigating to your desired database or creating a new one if needed.

Locate the Parquet file on your local machine. Ensure that it is correctly structured and contains the data you wish to import into Snowflake. Familiarize yourself with the file's schema as this will be needed for table creation in Snowflake.

If you haven't already, create an Amazon S3 bucket to temporarily stage the Parquet file before loading it into Snowflake. Log into your AWS Management Console, navigate to S3, and create a new bucket. Note the bucket name and region as this information will be used later.

Upload the Parquet file from your local machine to the newly created S3 bucket. This can be done directly through the AWS Management Console by clicking on the "Upload" button within the S3 bucket interface and selecting your Parquet file.

In Snowflake, create an external stage that points to the S3 bucket. This involves using the `CREATE STAGE` command. You will need to specify the S3 bucket URL and provide AWS IAM credentials with necessary permissions to access the bucket.
```sql
CREATE STAGE my_s3_stage
STORAGE_INTEGRATION = my_integration
URL = 's3://your-bucket-name'
FILE_FORMAT = (TYPE = 'PARQUET');
```

Define and create a table in Snowflake that matches the schema of your Parquet file. This involves using the `CREATE TABLE` command. Ensure that the table columns and their data types align with those in the Parquet file.
```sql
CREATE TABLE my_table (
column1 STRING,
column2 INTEGER,
...
);
```

Use the `COPY INTO` command in Snowflake to load data from the Parquet file into your target table. This command will pull the data from the S3 bucket via the stage you created and populate the Snowflake table.
```sql
COPY INTO my_table
FROM @my_s3_stage
FILES = ('your-file-name.parquet')
FILE_FORMAT = (TYPE = 'PARQUET');
```
Verify that the data has been successfully loaded by querying the target table.

By following these steps, you can efficiently move data from a Parquet file to a Snowflake destination without relying on third-party connectors or integrations.