Route 33, Pokémon Wiki

Route 33 is a route in Johto that connects Union Cave and Azalea Town. The route is fairly small, having one trainer and two Apricorn trees. In HeartGold and SoulSilver, it's also shown to rain. In GS036, a Cyndaquil was seen captured by Ash.

Pokemon Crystal Version Route 33 Map Map for Game Boy Color by KeyBlade999 - GameFAQs

Route 33 (Johto) – PokéWiki

Pokémon HeartGold and SoulSilver/Route 29 — StrategyWiki

Pokémon (universe) - SmashWiki, the Super Smash Bros. wiki

Azalea Town - PokeMMO Wiki

Unknown World — Half of Route 32 and Route 33 The Johto Redrawn

Route 7 (Unova), Pokémon Wiki

Pokémon Gold and Silver/Walkthrough — StrategyWiki

Pokemon 2169 Shiny Crobat Pokedex: Evolution, Moves, Location, Stats

Pokémon The Series: Ultimate Journeys - Season 25

Pokémon HeartGold and SoulSilver/Route 35 — StrategyWiki

Pokémon HeartGold and SoulSilver/Route 31 — StrategyWiki