Kanto

HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen Crystal Crystal Gold Gold Silver Silver Yellow Yellow Red Red Blue Blue
Walking in tall grass or a cave
Bond Bridge
10%
L31
10%
L31
Canyon Entrance
10%
L41
10%
L41
Cape Brink
10%
L31
10%
L31
Five Isle Meadow
10%
L41
10%
L41
Kindle Road
10%
L31
10%
L31
Route 11
At night
+30%
L15
Route 5
At night
+20%
L13
In the morning
Radio off
+20%
L14
During the day
Radio off
+20%
L14
At night
Radio off
+10%
L13
35%
L10–16
35%
L10–16
At night
+30%
L13
In the morning
+20%
L14
During the day
+20%
L14
At night
+30%
L14
25%
L10–16
Route 6
At night
+20%
L13
In the morning
Radio off
+20%
L14
During the day
Radio off
+20%
L14
At night
Radio off
+10%
L13
35%
L10–16
35%
L10–16
At night
+30%
L13
In the morning
+20%
L14
During the day
+20%
L14
At night
+30%
L14
25%
L10–16
Route 7
20%
L17
Radio off
+10%
L17
40%
L17–20
40%
L17–20
At night
+30%
L17
In the morning
+30%
L17
During the day
+30%
L17
At night
+30%
L17
30%
L17–20
Route 8
20%
L17
Radio off
+10%
L17
30%
L18–20
30%
L18–20
At night
+30%
L17
In the morning
+30%
L17
During the day
+30%
L17
At night
+30%
L17
30%
L18–20
Ruin Valley
10%
L43
10%
L43
Sevault Canyon
10%
L43
10%
L43
Treasure Beach
10%
L31
10%
L31
Water Path
10%
L41
10%
L41

Johto

HeartGold HeartGold SoulSilver SoulSilver Crystal Crystal Gold Gold Silver Silver
Walking in tall grass or a cave
Route 35
Not during a swarm
At night
+20%
L13
Route 38
Not during a swarm
+20%
L16
In the morning
+10%
L16
At night
+10%
L16
During the day
Radio off
+10%
L16
At night
Radio off
+10%
L16
At night
+40%
L16
Not during a swarm
In the morning
+30%
L16
Not during a swarm
During the day
+30%
L16
Not during a swarm
At night
+10%
L16
Route 39
20%
L16
In the morning
+10%
L16
At night
+10%
L16
During the day
Radio off
+10%
L16
At night
Radio off
+10%
L16
At night
+40%
L16–18
In the morning
+30%
L16
During the day
+30%
L16
At night
+10%
L16