Overview

After beating your Regirock, look for the following CP values. These values are those of a Regirock with perfect IV's.
  • REGULAR: 1764
  • WEATHER: 2205

Regirock has 179 attack, 356 defense, 160 stamina. As a Raid Boss, it has a CP of 41777.

Regirock is a Rock-type. It has access to the following moves:
  • FAST MOVES: Rock Smash, Rock Throw
  • CHARGED MOVES: Stone Edge, Zap Cannon, Focus Blast

Counters

Groudon

Kyogre

machamp

metagross

Venusaur

Mewtwo

Other  viable  counters
IMAGE CREDIT: The Pokémon Company