POKEMON GAMES EFFORT VALUES TRAINING GUIDE

This is just a simple guide listing all the best places to train for EVs. If you are uncertain as to what EVs are, check out Psypoke's Effort Values Guide.

Diamond & Pearl | Ruby | Sapphire | Emerald | FireRed | LeafGreen

Pokemon Sapphire

HP
Rusturf Tunnel - Awards 1 Effort Point. Encounter Rate: 100%
Petalburg City - Awards 2 Effort Points. Encounter Rate (Use Surf): 100%

Attack
Mt Pyre - Awards 1 Effort Point. Encounter Rate: 100%
Route 118 - Awards 1 Effort Point. Encounter Rate (Use Super Rod): 60%
Route 118 - Awards 2 Effort Points. Encounter Rate (Use Super Rod): 40%

Defense
Route 111 or Route 114 - Awards 1 Effort Point. Encounter Rate (Use Rock Smash): 100%
Victory Road - Awards 2 Effort Points. Encounter Rate (Use Rock Smash): 70%
Granite Cave - Awards 1 Effort Point. Encounter Rate (Use Rock Smash): 30%

Speed
Seafloor Cavern - Awards 1 Effort Point. Encounter Rate: 95%
Seafloor Cavern - Awards 2 Effort Points. Encounter Rate: 5%

Special Attack
Route 113 - Awards 1 Effort Point. Encounter Rate: 70%

Special Defense
Abandoned Ship - Awards 1 Effort Point. Encounter Rate (Use Surf): 99%
Abandoned Ship - Awards 2 Effort Points. Encounter Rate (Use Surf): 1%