> ## Documentation Index
> Fetch the complete documentation index at: https://docs.celo.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Celo L2 Migration

> Block heights and dates at which Celo mainnet, Baklava and Alfajores migrated from a Layer 1 to an Ethereum Layer 2

<Note>
  * Mainnet has been migrated on block **31056500**, March 26, 2025, 3:00 AM UTC.
  * The Baklava testnet has been migrated on block **28308600**, February 20, 2025.
  * The Alfajores testnet has been migrated on block **26384000**, September 26, 2024.
</Note>

The `celo-migrate` tool produced `op-geth` datadirs only, and `op-reth` cannot use them. To run a Celo L2 node, follow [Running a Celo Node](/operate/operators/run-node).


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