Johto and Kanto Gold/Silver section

Pokemon Gold and Silver Route 42 and Mt. Mortar Walkthrough

Route 42 and Mt. Mortar section of the complete Pokemon Gold and Silver walkthrough, with wild Pokemon, trainers, items, hidden items, trades, events, and boss data.

By Damodar Sharma Updated June 23, 2026 Walkthrough

Cross the eastern Johto mountain path and note Marill swarm plus Tyrogue for later. This section is generated from pret/pokegold map, trainer, item, and encounter data for Pokemon Gold and Silver only.

Phase 7: Glacier Badge

Route 42 and Mt. Mortar

Cross the eastern Johto mountain path and note Marill swarm plus Tyrogue for later.

Source maps6 Wild rows130 Trainers3 Items/trades23

Source Maps

ROUTE_42, ROUTE_42_ECRUTEAK_GATE, MOUNT_MORTAR_1F_OUTSIDE, MOUNT_MORTAR_1F_INSIDE, MOUNT_MORTAR_2F_INSIDE, MOUNT_MORTAR_B_1F

Wild Pokemon

Area / subarea	Game	Method	Time	Pokemon	Level	Odds	Condition / requirement
Route 42	Gold/Silver	Good Rod	Any	Goldeen Rod bite group	Lv. 20	55%	Standard encounter table.
Route 42	Gold/Silver	Good Rod	Any	Magikarp Rod bite group	Lv. 20	35%	Standard encounter table.
Route 42	Gold/Silver	Grass/cave floor	Day	Flaaffy 10% encounter rate	Lv. 15-17	10%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Day	Mankey 10% encounter rate	Lv. 15	30%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Day	Mareep 10% encounter rate	Lv. 13	30%	Standard encounter table.
Route 42	Silver	Grass/cave floor	Day	Mareep 10% encounter rate	Lv. 13-15	50%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Day	Spearow 10% encounter rate	Lv. 14-16	30%	Standard encounter table.
Route 42	Silver	Grass/cave floor	Day	Spearow 10% encounter rate	Lv. 14-16	40%	Standard encounter table.
Route 42	Gold/Silver	Grass/cave floor	Morning	Flaaffy 10% encounter rate	Lv. 15-17	10%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Morning	Mankey 10% encounter rate	Lv. 15	30%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Morning	Mareep 10% encounter rate	Lv. 13	30%	Standard encounter table.
Route 42	Silver	Grass/cave floor	Morning	Mareep 10% encounter rate	Lv. 13-15	50%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Morning	Spearow 10% encounter rate	Lv. 14-16	30%	Standard encounter table.
Route 42	Silver	Grass/cave floor	Morning	Spearow 10% encounter rate	Lv. 14-16	40%	Standard encounter table.
Route 42	Gold/Silver	Grass/cave floor	Night	Flaaffy 10% encounter rate	Lv. 15-17	10%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Night	Mankey 10% encounter rate	Lv. 15	30%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Night	Mareep 10% encounter rate	Lv. 13	30%	Standard encounter table.
Route 42	Silver	Grass/cave floor	Night	Mareep 10% encounter rate	Lv. 13-15	50%	Standard encounter table.
Route 42	Gold	Grass/cave floor	Night	Zubat 10% encounter rate	Lv. 14-16	30%	Standard encounter table.
Route 42	Silver	Grass/cave floor	Night	Zubat 10% encounter rate	Lv. 14-16	40%	Standard encounter table.
Route 42	Gold/Silver	Headbutt common trees	Any	Aipom	Lv. 10	20%	Use Headbutt on common trees.
Route 42	Gold/Silver	Headbutt common trees	Any	Spearow	Lv. 10	80%	Use Headbutt on common trees.
Route 42	Gold/Silver	Headbutt rare trees	Any	Aipom	Lv. 10	20%	Use Headbutt on rare trees.
Route 42	Gold/Silver	Headbutt rare trees	Any	Heracross	Lv. 10	30%	Use Headbutt on rare trees.
Route 42	Gold/Silver	Headbutt rare trees	Any	Spearow	Lv. 10	50%	Use Headbutt on rare trees.
Route 42	Gold/Silver	Old Rod	Any	Goldeen Rod bite group	Lv. 10	15%	Standard encounter table.
Route 42	Gold/Silver	Old Rod	Any	Magikarp Rod bite group	Lv. 10	85%	Standard encounter table.
Route 42	Gold/Silver	Roaming legendary	Any	Entei	Lv. 40	Roamer	After releasing the legendary beasts in Burned Tower.
Route 42	Gold/Silver	Roaming legendary	Any	Raikou	Lv. 40	Roamer	After releasing the legendary beasts in Burned Tower.
Route 42	Gold/Silver	Roaming legendary	Any	Suicune	Lv. 40	Roamer	After releasing the legendary beasts in Burned Tower.
Route 42	Gold/Silver	Super Rod	Any	Goldeen Rod bite group	Lv. 40	40%	Standard encounter table.
Route 42	Gold/Silver	Super Rod	Any	Magikarp Rod bite group	Lv. 40	50%	Standard encounter table.
Route 42	Gold/Silver	Super Rod	Any	Seaking Rod bite group	Lv. 40	10%	Standard encounter table.
Route 42	Gold/Silver	Surf	Any	Goldeen 4% encounter rate	Lv. 15-20	90%	Standard encounter table.
Route 42	Gold/Silver	Surf	Any	Seaking 4% encounter rate	Lv. 20	10%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Good Rod	Any	Goldeen Rod bite group	Lv. 20	55%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Good Rod	Any	Magikarp Rod bite group	Lv. 20	35%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Day	Geodude 6% encounter rate	Lv. 14	5%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Day	Machop 6% encounter rate	Lv. 14	20%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Day	Marill 6% encounter rate	Lv. 15	1%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Day	Rattata 6% encounter rate	Lv. 14-16	14%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Day	Zubat 6% encounter rate	Lv. 13-15	60%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Morning	Geodude 6% encounter rate	Lv. 14	5%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Morning	Machop 6% encounter rate	Lv. 14	20%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Morning	Marill 6% encounter rate	Lv. 15	1%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Morning	Rattata 6% encounter rate	Lv. 14-16	14%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Morning	Zubat 6% encounter rate	Lv. 13-15	60%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Night	Geodude 6% encounter rate	Lv. 14	5%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Night	Machop 6% encounter rate	Lv. 14	20%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Night	Marill 6% encounter rate	Lv. 15	1%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Night	Rattata 6% encounter rate	Lv. 14-16	14%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Grass/cave floor	Night	Zubat 6% encounter rate	Lv. 13-15	60%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Old Rod	Any	Goldeen Rod bite group	Lv. 10	15%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Old Rod	Any	Magikarp Rod bite group	Lv. 10	85%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Day	Geodude 6% encounter rate	Lv. 14	5%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Day	Machop 6% encounter rate	Lv. 14	20%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Day	Marill 6% encounter rate	Lv. 13-15	40%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Day	Rattata 6% encounter rate	Lv. 16	5%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Day	Zubat 6% encounter rate	Lv. 15	30%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Morning	Geodude 6% encounter rate	Lv. 14	5%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Morning	Machop 6% encounter rate	Lv. 14	20%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Morning	Marill 6% encounter rate	Lv. 13-15	40%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Morning	Rattata 6% encounter rate	Lv. 16	5%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Morning	Zubat 6% encounter rate	Lv. 15	30%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Night	Geodude 6% encounter rate	Lv. 14	5%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Night	Machop 6% encounter rate	Lv. 14	20%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Night	Marill 6% encounter rate	Lv. 13-15	40%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Night	Rattata 6% encounter rate	Lv. 16	5%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm grass	Night	Zubat 6% encounter rate	Lv. 15	30%	Phone swarm replaces the normal encounter table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm Surf	Any	Goldeen 4% encounter rate	Lv. 20	60%	Phone swarm replaces the normal Surf table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm Surf	Any	Marill 4% encounter rate	Lv. 20	30%	Phone swarm replaces the normal Surf table.
Mount Mortar 1F Outside	Gold/Silver	Phone swarm Surf	Any	Seaking 4% encounter rate	Lv. 20	10%	Phone swarm replaces the normal Surf table.
Mount Mortar 1F Outside	Gold/Silver	Super Rod	Any	Goldeen Rod bite group	Lv. 40	40%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Super Rod	Any	Magikarp Rod bite group	Lv. 40	50%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Super Rod	Any	Seaking Rod bite group	Lv. 40	10%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Surf	Any	Goldeen 4% encounter rate	Lv. 15-20	90%	Standard encounter table.
Mount Mortar 1F Outside	Gold/Silver	Surf	Any	Seaking 4% encounter rate	Lv. 20	10%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Good Rod	Any	Goldeen Rod bite group	Lv. 20	55%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Good Rod	Any	Magikarp Rod bite group	Lv. 20	35%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Day	Geodude 6% encounter rate	Lv. 13-15	50%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Day	Machop 6% encounter rate	Lv. 13-15	35%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Day	Rattata 6% encounter rate	Lv. 14	10%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Day	Zubat 6% encounter rate	Lv. 14	5%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Morning	Geodude 6% encounter rate	Lv. 13-15	50%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Morning	Machop 6% encounter rate	Lv. 13-15	35%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Morning	Rattata 6% encounter rate	Lv. 14	10%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Morning	Zubat 6% encounter rate	Lv. 14	5%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Night	Geodude 6% encounter rate	Lv. 13-15	50%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Night	Machop 6% encounter rate	Lv. 13-15	35%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Night	Rattata 6% encounter rate	Lv. 14	10%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Grass/cave floor	Night	Zubat 6% encounter rate	Lv. 14	5%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Old Rod	Any	Goldeen Rod bite group	Lv. 10	15%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Old Rod	Any	Magikarp Rod bite group	Lv. 10	85%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Super Rod	Any	Goldeen Rod bite group	Lv. 40	40%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Super Rod	Any	Magikarp Rod bite group	Lv. 40	50%	Standard encounter table.
Mount Mortar 1F Inside	Gold/Silver	Super Rod	Any	Seaking Rod bite group	Lv. 40	10%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Good Rod	Any	Goldeen Rod bite group	Lv. 20	55%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Good Rod	Any	Magikarp Rod bite group	Lv. 20	35%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Day	Geodude 6% encounter rate	Lv. 31	20%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Day	Golbat 6% encounter rate	Lv. 30	5%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Day	Graveler 6% encounter rate	Lv. 31	30%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Day	Machoke 6% encounter rate	Lv. 32	30%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Day	Machop 6% encounter rate	Lv. 28	5%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Day	Raticate 6% encounter rate	Lv. 30	10%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Morning	Geodude 6% encounter rate	Lv. 31	20%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Morning	Golbat 6% encounter rate	Lv. 30	5%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Morning	Graveler 6% encounter rate	Lv. 31	30%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Morning	Machoke 6% encounter rate	Lv. 32	30%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Morning	Machop 6% encounter rate	Lv. 28	5%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Morning	Raticate 6% encounter rate	Lv. 30	10%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Night	Geodude 6% encounter rate	Lv. 31	20%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Night	Golbat 6% encounter rate	Lv. 30	5%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Night	Graveler 6% encounter rate	Lv. 31	30%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Night	Machoke 6% encounter rate	Lv. 32	30%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Night	Machop 6% encounter rate	Lv. 28	5%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Grass/cave floor	Night	Raticate 6% encounter rate	Lv. 30	10%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Old Rod	Any	Goldeen Rod bite group	Lv. 10	15%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Old Rod	Any	Magikarp Rod bite group	Lv. 10	85%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Super Rod	Any	Goldeen Rod bite group	Lv. 40	40%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Super Rod	Any	Magikarp Rod bite group	Lv. 40	50%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Super Rod	Any	Seaking Rod bite group	Lv. 40	10%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Surf	Any	Goldeen 2% encounter rate	Lv. 20-25	90%	Standard encounter table.
Mount Mortar 2F Inside	Gold/Silver	Surf	Any	Seaking 2% encounter rate	Lv. 25	10%	Standard encounter table.
Mount Mortar B 1F	Gold/Silver	Good Rod	Any	Goldeen Rod bite group	Lv. 20	55%	Standard encounter table.
Mount Mortar B 1F	Gold/Silver	Good Rod	Any	Magikarp Rod bite group	Lv. 20	35%	Standard encounter table.
Mount Mortar B 1F	Gold/Silver	Old Rod	Any	Goldeen Rod bite group	Lv. 10	15%	Standard encounter table.
Mount Mortar B 1F	Gold/Silver	Old Rod	Any	Magikarp Rod bite group	Lv. 10	85%	Standard encounter table.
Mount Mortar B 1F	Gold/Silver	Super Rod	Any	Goldeen Rod bite group	Lv. 40	40%	Standard encounter table.
Mount Mortar B 1F	Gold/Silver	Super Rod	Any	Magikarp Rod bite group	Lv. 40	50%	Standard encounter table.
Mount Mortar B 1F	Gold/Silver	Super Rod	Any	Seaking Rod bite group	Lv. 40	10%	Standard encounter table.

Trainers

Route order	Trainer	Team	Reward	Optional / rematch note
Route 42 (40, 10)	Fisher Chris	Qwilfish Lv. 18	$180	Phone contact; rematches: CHRIS1, CHRIS2, CHRIS3.
Route 42 (51, 9)	Hiker Benjamin	Diglett Lv. 14 Geodude Lv. 14 Dugtrio Lv. 16	$128	One-time trainer battle.
Route 42 (47, 8)	Pokemaniac Shane	Nidorina Lv. 16 Nidorino Lv. 16	$240	One-time trainer battle.

Items, Hidden Items, And Events

Item / trade	Type	Area / direction	Coordinate	Requirement
Ultra Ball	Item ball	Route 42	(6, 4)	Visible pickup.
Super Potion	Item ball	Route 42	(33, 8)	Visible pickup.
Max Potion	Hidden item	Route 42	(16, 11)	Check the tile.
Pnk Apricorn	Fruit tree	Route 42	(27, 16)	Daily fruit/apricorn pickup.
Grn Apricorn	Fruit tree	Route 42	(28, 16)	Daily fruit/apricorn pickup.
Ylw Apricorn	Fruit tree	Route 42	(29, 16)	Daily fruit/apricorn pickup.
Ether	Item ball	Mount Mortar 1F Outside	(13, 15)	Visible pickup.
Guard Spec	Item ball	Mount Mortar 1F Outside	(31, 18)	Visible pickup.
Hyper Potion	Hidden item	Mount Mortar 1F Outside	(25, 22)	Check the tile.
Escape Rope	Item ball	Mount Mortar 1F Inside	(33, 22)	Visible pickup.
Max Revive	Item ball	Mount Mortar 1F Inside	(16, 10)	Visible pickup.
Hyper Potion	Item ball	Mount Mortar 1F Inside	(12, 21)	Visible pickup.
Max Repel	Hidden item	Mount Mortar 1F Inside	(31, 9)	Check the tile.
Max Potion	Item ball	Mount Mortar 2F Inside	(31, 23)	Visible pickup.
Rare Candy	Item ball	Mount Mortar 2F Inside	(2, 24)	Visible pickup.
TM40 Defense Curl	Item ball	Mount Mortar 2F Inside	(19, 17)	Visible pickup.
Dragon Scale	Item ball	Mount Mortar 2F Inside	(14, 5)	Visible pickup.
Elixer	Item ball	Mount Mortar 2F Inside	(8, 9)	Visible pickup.
Escape Rope	Item ball	Mount Mortar 2F Inside	(28, 5)	Visible pickup.
Full Restore	Hidden item	Mount Mortar 2F Inside	(19, 6)	Check the tile.
Hyper Potion	Item ball	Mount Mortar B 1F	(31, 17)	Visible pickup.
Full Heal	Item ball	Mount Mortar B 1F	(4, 16)	Visible pickup.
Max Revive	Hidden item	Mount Mortar B 1F	(4, 6)	Check the tile.

Boss Cards

No major boss card assigned to this section.

Completion Checklist

Check every wild row before leaving Route 42 and Mt. Mortar; Gold/Silver version, time, rod, Headbutt, swarm, and static methods are separated.
Clear trainer rows and phone/rematch contacts shown in the trainer table.
Pick up item balls, hidden items, daily fruit trees, NPC gifts, trades, and static encounters listed for the section.
Use any boss card here before advancing to the next section.