Phase 5 section
Pokémon HeartGold & SoulSilver Routes 35-37 and Sudowoodo Walkthrough
Fog Badge Clear both park approaches and open the Ecruteak road. Exact HGSS encounters, trainers, items, puzzle route, version differences, and completion checks.
Clear both park approaches and open the Ecruteak road. This combined guide never substitutes original Gold/Silver or Crystal data for the Nintendo DS remakes.
Source maps
Route 35, Route 36, Route 37, Route 35 Goldenrod Gatehouse, Route 35 National Park Pokeathalon Gatehouse, Route 36 Ruins Of Alph Gatehouse, Route 36 National Park Gatehouse.
Encounter rows80Trainer rows15Visible / hidden / trees3 / 2 / 5
Version scope
HeartGold and SoulSilver are labeled per row. Event-only and external-device content is never presented as normal retail progression.
Route Plan
Sweep Route 35, take the National Park shortcut and Route 36 branches, use the SquirtBottle on Sudowoodo, receive the Berry Pots, then collect every Route 37 Apricorn and trainer battle.
Wild Pokémon
Version:
Each area below has its own table, split by encounter method. Standard rates merge every base slot for a species and are shown per time window: morning 04:00-09:59, day 10:00-19:59, night 20:00-03:59. Swarm, radio-broadcast, and Headbutt tables keep their own labeled rows, and every row carries HG/SS markers. Underlying slot odds: grass 20/20/10/10/10/10/5/5/4/4/1/1; Surf 60/30/5/4/1; Rods 40/30/15/10/5; Rock Smash 80/20; Headbutt 50/15/15/10/5/5.
Route 35
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
 Nidoran F | HGSS | 12 | 30% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
 Nidoran M | HGSS | 12 | 30% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
 Drowzee | HGSS | 14 | 20% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
 Abra | HGSS | 10 | 10% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
 Hoothoot | HGSS | 14 | — | — | 5% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Pidgey | HGSS | 14 | 5% | 5% | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Ditto | HGSS | 10 | 4% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
 Yanma | HGSS | 12 | 1% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
| Swarm (post-National Dex daily announcement) | ||||||
 Magikarp | HGSS | 40 | 100% | Super Rod. Post-National Dex swarm replacement. | ||
| Magikarp | HGSS | 20 | 65% | Good Rod. Post-National Dex swarm replacement. | ||
 Psyduck | HGSS | 15-25 | 60% | Surf. Post-National Dex swarm replacement. | ||
| Yanma | HGSS | 12 | 40% | Post-National Dex swarm replacement. | ||
| Magikarp | HGSS | 10 | 15% | Old Rod. Post-National Dex swarm replacement. | ||
| Radio — Hoenn Sound (Wednesday, post-National Dex) | ||||||
 Linoone | HGSS | 12 or 14 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
 Whismur | HGSS | 12 or 14 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Radio — Sinnoh Sound (Thursday, post-National Dex) | ||||||
 Bidoof | HGSS | 12 or 14 | 20% | Sinnoh Sound on Thursday after the National Dex; replaces grass slots 2-5. | ||
 Buizel | HGSS | 12 or 14 | 20% | Sinnoh Sound on Thursday after the National Dex; replaces grass slots 2-5. | ||
| Surfing | ||||||
| Psyduck | HGSS | 10-25 | 90% | Rate counts base slots temporarily replaced by the announced daily swarm. | ||
 Golduck | HGSS | 15-25 or 31 | 10% | Rate counts base slots temporarily replaced by the announced daily swarm. | ||
| Fishing — Old Rod | ||||||
| Magikarp | HGSS | 10 | 85% | Rate counts base slots temporarily replaced by the announced daily swarm. | ||
 Poliwag | HGSS | 10 | 15% | Rate counts base slots temporarily replaced by the announced daily swarm. | ||
| Fishing — Good Rod | ||||||
| Poliwag | HGSS | 20 | 60% | Rate counts base slots temporarily replaced by the announced daily swarm. | ||
| Magikarp | HGSS | 20 | 40% | Rate counts base slots temporarily replaced by the announced daily swarm. | ||
| Fishing — Super Rod | ||||||
| Poliwag | HGSS | 40 | 80% | Rate counts base slots temporarily replaced by the announced daily swarm. | ||
| Magikarp | HGSS | 40 | 20% | Rate counts base slots temporarily replaced by the announced daily swarm. | ||
| Headbutt — common tree table | ||||||
| Hoothoot | HGSS | 10-11 | 50% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Pineco | HGSS | 10-11 | 30% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Exeggcute | HGSS | 10-11 | 20% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Headbutt — rare tree table | ||||||
| Hoothoot | HGSS | 13-14 | 50% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Ledyba | HGSS | 13-14 | 30% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Spinarak | HGSS | 13-14 | 30% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Exeggcute | HGSS | 13-14 | 20% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
Route 36
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
| Nidoran F | HGSS | 12 | 30% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Nidoran F | HGSS | 12 | — | 30% | 30% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Nidoran F | HGSS | 12-13 | 30% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Nidoran M | HGSS | 12 | 30% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Nidoran M | HGSS | 12 | — | 30% | 30% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Nidoran M | HGSS | 12-13 | 30% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Hoothoot | HGSS | 13 or 15 | — | — | 25% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Pidgey | HGSS | 13 | 20% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Pidgey | HGSS | 13 or 15 | 5% | 20% | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Pidgey | HGSS | 12 | 20% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Growlithe | HGSS | 13 or 15 | 10% | 15% | 10% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Vulpix | HGSS | 13 or 15 | 10% | 15% | 10% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Stantler | HGSS | 13 | 5% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
| Swarm (post-National Dex daily announcement) | ||||||
| Nidoran F | HGSS | 12 | 40% | Post-National Dex swarm replacement. | ||
| Nidoran M | HGSS | 12 | 40% | Post-National Dex swarm replacement. | ||
| Radio — Hoenn Sound (Wednesday, post-National Dex) | ||||||
 Minun | HGSS | 12-13 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
 Plusle | HGSS | 12-13 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Radio — Sinnoh Sound (Thursday, post-National Dex) | ||||||
 Shinx | HGSS | 12-13 | 40% | Sinnoh Sound on Thursday after the National Dex; replaces grass slots 2-5. | ||
| Headbutt — common tree table | ||||||
| Hoothoot | HGSS | 4-5 | 50% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Pineco | HGSS | 4-5 | 30% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Exeggcute | HGSS | 4-5 | 20% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Headbutt — rare tree table | ||||||
| Hoothoot | HGSS | 6-7 | 50% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Ledyba | HGSS | 6-7 | 30% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Spinarak | HGSS | 6-7 | 30% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Exeggcute | HGSS | 6-7 | 20% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
Route 37
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
| Hoothoot | HGSS | 13 or 15 | — | — | 60% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Pidgey | HGSS | 13 or 15 | 60% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Pidgey | HGSS | 13 or 15 | — | 50% | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Ledyba | HGSS | 13 or 15 | 40% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Spinarak | HGSS | 13 or 15 | — | — | 40% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Stantler | HGSS | 15 | 30% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
| Hoothoot | HGSS | 15 | — | — | 20% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Pidgey | HGSS | 15 | 20% | — | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Growlithe | HGSS | 14-15 | 10% | 15% | 10% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Vulpix | HGSS | 14-15 | 10% | 15% | 10% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Pidgeotto | HGSS | 15 | — | 5% | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Swarm (post-National Dex daily announcement) | ||||||
| Ledyba | HGSS | 13 or 15 | 40% | Post-National Dex swarm replacement. | ||
| Pidgey | HGSS | 13 or 15 | 40% | Post-National Dex swarm replacement. | ||
| Radio — Hoenn Sound (Wednesday, post-National Dex) | ||||||
| Minun | HGSS | 15 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Plusle | HGSS | 13 or 15 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Radio — Sinnoh Sound (Thursday, post-National Dex) | ||||||
| Shinx | HGSS | 13 or 15 | 40% | Sinnoh Sound on Thursday after the National Dex; replaces grass slots 2-5. | ||
| Headbutt — common tree table | ||||||
| Hoothoot | HGSS | 12-14 | 50% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Pineco | HGSS | 12-14 | 30% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Exeggcute | HGSS | 12-14 | 20% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Headbutt — rare tree table | ||||||
| Hoothoot | HGSS | 15-17 | 50% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Ledyba | HGSS | 15-17 | 30% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Spinarak | HGSS | 15-17 | 30% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Exeggcute | HGSS | 15-17 | 20% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
Static, gift, trade, and event Pokémon
| Pokémon | Method | Level | Requirement / note |
|---|---|---|---|
 Sudowoodo | Static encounter | Lv. 20 | Source-scripted encounter or gift; save or make party space before resolving it. |
| Sudowoodo | Static encounter | Lv. 20 | One-time after SquirtBottle; save first. |
Trainers
Teams are the exact source party records. Moves and held items appear only when the trainer format defines them. Reward = last party member level × 4 × trainer-class multiplier; double battles double the base payout where the engine applies it.
| Trainer | Location / order | Full team | Reward | Battle note |
|---|---|---|---|---|
 Juggler IrwinSource trainer ID 7 | Route 35 • source tile (364, 279) | ₽448 | Single battle. | |
 School Kid M AlanSource trainer ID 24 | Route 36 • source tile (401, 248) |
| ₽340 | Single battle. |
 Bird Keeper GS BryanSource trainer ID 72 | Route 35 • source tile (367, 313) | ₽448 | Single battle. | |
 Camper IvanSource trainer ID 74 | Route 35 • source tile (361, 286) | ₽224 | Single battle. | |
| Camper ElliotSource trainer ID 75 | Route 35 • source tile (368, 287) | ₽240 | Single battle. | |
 Picnicker BrookeSource trainer ID 76 | Route 35 • source tile (367, 287) |
| ₽256 | Single battle. |
| Picnicker KimSource trainer ID 77 | Route 35 • source tile (356, 307) |
| ₽240 | Single battle. |
 Bug Catcher ArnieSource trainer ID 78 | Route 35 • source tile (378, 266) |
| ₽240 | Single battle. |
 Policeman DirkSource trainer ID 80 | Route 35 • source tile (365, 267) | ₽560 | Single battle. | |
 Twins Tori & TilSource trainer ID 81 | Route 37 • source tile (390, 211) | ₽256 | Double battle. | |
 Psychic M GregSource trainer ID 386 | Route 37 • source tile (402, 210) |
| ₽544 | Single battle. |
 Firebreather WaltSource trainer ID 388 | Route 35 • source tile (361, 275) | ₽512 | Single battle. | |
| Psychic M MarkSource trainer ID 395 | Route 36 • source tile (380, 244) | ₽512 | Single battle. | |
 Beauty CallieSource trainer ID 679 | Route 37 • source tile (386, 204) |
| ₽896 | Single battle. |
| Beauty KassandraSource trainer ID 680 | Route 37 • source tile (395, 204) |
| ₽896 | Single battle. |
Items And Hidden Items
| Item | Method | Plain-English placement | Source tile |
|---|---|---|---|
| TM66 | Visible item ball | Pick up the item ball in the southeast part of Route 35. | 380, 317 |
| Parlyz Heal | Visible item ball | Pick up the item ball in the northeast part of Route 35. | 375, 277 |
| Hyper Potion | Visible item ball | Pick up the item ball in the west part of Route 36. | 393, 237 |
| Nugget | Hidden / Dowsing MCHN | Use the Dowsing MCHN on the ground in the northwest part of Route 35, 4 tiles west and 3 tiles south from the nearest source NPC. | 357, 278 |
| Awakening | Hidden / Dowsing MCHN | Use the Dowsing MCHN on the ground in the southwest part of Route 36, 2 tiles west and 6 tiles south from the nearest source NPC. | 391, 243 |
| Green Apricorn | Daily Apricorn tree | Harvest the source-indexed tree in Route 35; it regrows after the daily reset. | 358, 293 |
| Blue Apricorn | Daily Apricorn tree | Harvest the source-indexed tree in Route 36; it regrows after the daily reset. | 382, 233 |
| Red Apricorn | Daily Apricorn tree | Harvest the source-indexed tree in Route 37; it regrows after the daily reset. | 401, 202 |
| Blue Apricorn | Daily Apricorn tree | Harvest the source-indexed tree in Route 37; it regrows after the daily reset. | 406, 202 |
| Black Apricorn | Daily Apricorn tree | Harvest the source-indexed tree in Route 37; it regrows after the daily reset. | 404, 204 |
Puzzles And Systems
Follow the route plan in order; source tiles in the item and trainer tables provide a QA anchor for every placed object.
Completion Checklist
- Visit all 7 mapped source subareas assigned here.
- Account for 82 random, Headbutt, Safari, Contest, static, gift, trade, or event rows across the per-area tables.
- Defeat or deliberately defer all 15 listed trainer records.
- Collect 3 visible items, 2 hidden items, and 5 Apricorn trees assigned here.
- Finish the stated story, puzzle, schedule, version, and event conditions before moving on.
Sources And Validation
- Primary source:
pret/pokeheartgoldcommit814275e4392cc21eef45a04e6dc8d980010ca2b7. - Layers: encounter banks, map headers, trainer parties, field events and scripts, Headbutt, Safari, Bug Contest, hidden items, Apricorns, phone/Pokégear, and Frontier engine data.
- Machine-readable validation report and trainer asset manifest.
Dex quick links