Phase 12 section
Pokémon HeartGold & SoulSilver Routes 16-18 and Cycling Road Walkthrough
Clear every biker and the west-coast item pockets. Exact HGSS encounters, trainers, items, puzzle route, version differences, and completion checks.
Clear every biker and the west-coast item pockets. This combined guide never substitutes original Gold/Silver or Crystal data for the Nintendo DS remakes.
Source maps
Route 16, Route 17, Route 18, Route 16 House, Route 16 Gatehouse, Route 16 East, Route 18 Gatehouse.
Encounter rows42Trainer rows14Visible / hidden / trees0 / 2 / 0
Version scope
HeartGold and SoulSilver are labeled per row. Event-only and external-device content is never presented as normal retail progression.
Route Plan
Start from Celadon, clear Route 16's house and Fly gate, descend Cycling Road through Routes 17-18, defeat every Biker, and finish the Fuchsia-side grass and fishing pockets.
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 16
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Headbutt — common tree table | ||||||
 Spearow | HGSS | 26-27 | 50% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Heracross | HGSS | 26-27 | 30% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Combee | HGSS | 26-27 | 20% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Headbutt — rare tree table | ||||||
| Spearow | HGSS | 29-30 | 80% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Combee | HGSS | 29-30 | 20% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
Route 16 East
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
 Grimer | HGSS | 26-28 | 50% | 50% | 80% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Fearow | HGSS | 27 or 29 | 40% | 40% | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Murkrow | HGSS | 29 | — | — | 10% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
 Muk | HGSS | 30 | 5% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. | ||
 Slugma | HGSS | 27 | 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) | ||||||
| Grimer | HGSS | 26-27 | 40% | Post-National Dex swarm replacement. | ||
| Radio — Hoenn Sound (Wednesday, post-National Dex) | ||||||
 Minun | HGSS | 27-28 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
 Plusle | HGSS | 26 or 28 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Radio — Sinnoh Sound (Thursday, post-National Dex) | ||||||
 Shinx | HGSS | 26-28 | 40% | Sinnoh Sound on Thursday after the National Dex; replaces grass slots 2-5. | ||
| Headbutt — common tree table | ||||||
| Spearow | HGSS | 26-27 | 50% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Heracross | HGSS | 26-27 | 30% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Combee | HGSS | 26-27 | 20% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Headbutt — rare tree table | ||||||
| Spearow | HGSS | 29-30 | 80% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Combee | HGSS | 29-30 | 20% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
Route 17
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
| Grimer | HGSS | 27-29 | 50% | 20% | 80% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Fearow | HGSS | 28 or 30 | 40% | 40% | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Slugma | HGSS | 27 or 29 | 5% | 35% | 5% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Muk | HGSS | 30 or 32 | 5% | 5% | 15% | 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) | ||||||
| Fearow | HGSS | 27-28 | 40% | Post-National Dex swarm replacement. | ||
| Radio — Hoenn Sound (Wednesday, post-National Dex) | ||||||
| Minun | HGSS | 27 or 29 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Plusle | HGSS | 28-29 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Radio — Sinnoh Sound (Thursday, post-National Dex) | ||||||
| Shinx | HGSS | 27-29 | 40% | Sinnoh Sound on Thursday after the National Dex; replaces grass slots 2-5. | ||
Route 18
| Pokémon | Games | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|---|
| Morning | Day | Night | ||||
| Grass / cave floor | ||||||
| Grimer | HGSS | 26-28 | 50% | 50% | 80% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Fearow | HGSS | 27 or 29 | 40% | 40% | — | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Muk | HGSS | 29-30 | 5% | 5% | 15% | Rate counts base slots temporarily replaced by the announced daily swarm, Wednesday's Hoenn Sound broadcast, and Thursday's Sinnoh Sound broadcast. |
| Slugma | HGSS | 27 | 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) | ||||||
| Grimer | HGSS | 26-27 | 40% | Post-National Dex swarm replacement. | ||
| Radio — Hoenn Sound (Wednesday, post-National Dex) | ||||||
| Minun | HGSS | 27-28 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Plusle | HGSS | 26 or 28 | 20% | Hoenn Sound on Wednesday after the National Dex; replaces grass slots 2-5. | ||
| Radio — Sinnoh Sound (Thursday, post-National Dex) | ||||||
| Shinx | HGSS | 26-28 | 40% | Sinnoh Sound on Thursday after the National Dex; replaces grass slots 2-5. | ||
| Headbutt — common tree table | ||||||
 Hoothoot | HGSS | 26-27 | 50% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Ledyba | HGSS | 26-27 | 30% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Spinarak | HGSS | 26-27 | 30% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Wurmple | HGSS | 26-27 | 20% | Common Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Headbutt — rare tree table | ||||||
| Hoothoot | HGSS | 29-30 | 65% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
| Wurmple | HGSS | 29-30 | 20% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
 Tangela | HGSS | 29-30 | 15% | Rare Headbutt table; regular-tree selection depends on Trainer ID and tree group. | ||
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 |
|---|---|---|---|---|
 Bird Keeper GS BorisSource trainer ID 301 | Route 18 • source tile (1162, 435) | ₽1,312 | Single battle. | |
| Bird Keeper GS BobSource trainer ID 302 | Route 18 • source tile (1167, 434) |
| ₽1,536 | Single battle. |
 Biker CharlesSource trainer ID 312 | Route 18 • source tile (1135, 424) |
| ₽672 | Single battle. |
| Biker ReeseSource trainer ID 313 | Route 17 • source tile (1136, 318) |
| ₽720 | Single battle. |
| Biker JoelSource trainer ID 314 | Route 17 • source tile (1145, 326) | ₽688 | Single battle. | |
| Biker GlennSource trainer ID 315 | Route 17 • source tile (1130, 379) | ₽688 | Single battle. | |
| Biker DaleSource trainer ID 572 | Route 17 • source tile (1138, 309) |
| ₽752 | Single battle. |
| Biker JacobSource trainer ID 573 | Route 17 • source tile (1141, 331) |
| ₽688 | Single battle. |
| Biker AidenSource trainer ID 574 | Route 17 • source tile (1128, 335) |
| ₽720 | Single battle. |
| Biker DanSource trainer ID 575 | Route 17 • source tile (1128, 347) | ₽592 | Single battle. | |
| Biker TheronSource trainer ID 576 | Route 17 • source tile (1135, 347) |
| ₽720 | Single battle. |
| Biker MarkeySource trainer ID 577 | Route 17 • source tile (1127, 405) |
| ₽752 | Single battle. |
| Biker TeddySource trainer ID 578 | Route 17 • source tile (1133, 402) |
| ₽736 | Single battle. |
| Biker ErnestSource trainer ID 579 | Route 17 • source tile (1140, 405) | ₽704 | Single battle. |
Items And Hidden Items
| Item | Method | Plain-English placement | Source tile |
|---|---|---|---|
| Max Ether | Hidden / Dowsing MCHN | Use the Dowsing MCHN on the ground in the west part of Route 17, 2 tiles west and 8 tiles south from the nearest source NPC. | 1133, 355 |
| Max Elixir | Hidden / Dowsing MCHN | Use the Dowsing MCHN on the ground in the southwest part of Route 17, 1 tile west and 11 tiles south from the nearest source NPC. | 1129, 390 |
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 42 random, Headbutt, Safari, Contest, static, gift, trade, or event rows across the per-area tables.
- Defeat or deliberately defer all 14 listed trainer records.
- Collect 0 visible items, 2 hidden items, and 0 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.