Top 10 Marsh and Fen DnD Maps

Teeming with hidden dangers, murky marshes, and foggy fens are some of the most atmospheric settings you can introduce into your D&D campaign. From squelching through treacherous bogs to uncovering ancient ruins swallowed by the muck, the possibilities for exploration and adventure are as vast as they are exciting.

In this article, we’ll showcase our top 10 marsh and fen maps, each hand-drawn and designed to bring these eerie landscapes to life in your games. Whether you’re setting the scene for a bright and swampy bazaar, a mystical fey village in the bog, or the remnants of a civilization—these maps will have your players immersed in adventure, beauty, and lots of quicksand!

1. Smuggler's Fen

The smell of damp earth and rotting wood fills the air as you step into the fen. Dark, murky water laps gently at mossy shores and fallen trees. The eerie silence is broken only by the occasional croak of a frog and the wooden walkways that creak underfoot.

Starting our list strong, we have the Smuggler’s Fen map, which drops your players into a marshy, verdant landscape of mysteries. The scene depicts the ruins of what might have once been a castle, now overtaken by nature and turned into a hidden base. Rowboats and rubble dot the dark blue water amidst fallen trees and rickety wooden walkways that have seen better days.

This map would be perfect for a quest involving hunting down a smuggler or finding a bandit hideout. The vast number of variations—such as “Fireflies”, “Toxic Swamp”, and “Shadow Realm” lets you add a whole new layer of immersion, depending on the turn your adventure is meant to take here.

2. Serene Lakeside - Bog

As your footsteps squelch in the damp soil, you begin to hear the gentle lapping of water. The air grows thick with the scent of moss and mud. Eventually, a modest and inviting cottage—sitting peacefully beside the sprawling green lake—comes into view.

Bring your players to a tranquil but mysterious scene with this Serene Lakeside — Bog map. This atmospheric scene features a rustic hut by a vast, deep lake, complete with a small pier and rowboats. The lakeside is dotted with red tall grass and moss; and a small farm by the cottage hints at a simple, self-sufficient life amidst the wilds.

This map is simple but gorgeous—and certainly flexible in its simplicity. There are countless creative ways this map could be used: as a hidden refuge or a site of mysterious supernatural phenomena. The deceptively idyllic setting might well harbor dark secrets, after all!

3. Impending Waterfall

You come across a lazy river that winds its way through the marsh, the current slow and steady, carrying bits of vegetation along with it. Overhead, sunlight filters through the canopy of trees, casting a dappled shadow on the peaceful water.

Unlike its more treacherous waterfall counterpart, this Impending Waterfall — Lazy River Day map provides your party with a tranquil scene of a slow-moving river meandering through a lush, marshy landscape. The gentle current carries patches of duckweed across the water’s surface, making it perfect for a variety of travel and exploration encounters.

This map is fantastic for when your party needs a change of pace or scenic route during their adventures; setting the scene for any manner of marshy random encounters, wildlife observations, or peaceful rest stops.

4. Fjordside Cabin - Swamp

As you emerge from the dense swamp, you find yourselves standing before a picturesque cabin, its moss-covered roof almost camouflaged against the lush greenery. A small pier juts out into the still waters of the lake, where a rowboat drifts lazily in the reeds.

The Swamp variant of this Fjordside Cabin map depicts a rustic cabin in a lush marsh, with a sod-covered roof blending into the surrounding green(ish)ery. Inspired by traditional sod cabins of Scandinavia, this scene just exudes a sense of serene isolation.

This map is much smaller in focus than many other maps in the library, making it perfect for encounters that center around a significant NPC—such as a reclusive hermit or retired warrior. One thing is for certain: whether the inhabitant of this humble abode is a friend or foe, they likely have a story or two to tell.

5. Depths of the Festerwood

The forest around you seems alive—but not in a comforting way. Tall, skeletal trees reach towards the sky, their bony branches draped with lichen. In the distance, a dead tree lies like a fallen giant, bare limbs replaced by a bloom of bright orange mushrooms.

We’ve covered peaceful and pretty—now it’s time for spooky! The Depths of the Festerwood map immerses your party into a hauntingly beautiful forest teeming with atmosphere. Rocks draped in moss and lichen form an otherworldly canopy, while the ground is strewn with decaying trunks and vibrant fungi.

This map is ideal for any adventure that might bring your party into the heart of a creepy forest. Whether it’s rabid myconids or Shambling Mounds your party is facing off against, this map will set the scene for a grand adventure hidden among the mushrooms and moss.

6. Beachside Bazaar - Swamp

The vibrant marketplace sprawls out before you, a riot of colours under the canopy of tents and tarps. Merchants eagerly hawk their wares, and you can catch a whiff of sizzling street food mingling with the earthy scent of the swamp.

Bustling with life and color, the Swamp variant of this Beachside Bazaar stands in stark contrast to the surrounding bog. Multicolored tents and tarps form a patchwork of vibrant stalls overflowing with exotic goods and wares. Off the shore, rowboats gently bob on deep green waters that are covered in a carpet of moss.

This spirited marketplace could be a hub of information, trade, or diplomacy for any number of interesting interactions between the PCs and key NPCs. Alternatively, the swamp’s edge also provides an opportunity for ambushes, illicit operations, or encounters with swamp-dwelling creatures.

This map also includes a “Scene”-- a beautifully-rendered illustration, perfect for immersing your players in the bustling swampside market and bringing your adventure to life. Take a look!

7. Banshee Moor

With every creaking step on the wooden path, the air grows colder. Fireflies flitter over the dark, murky water. Ahead, a broken bridge looms over the sluggish river, and the silhouette of a ruined carriage lying on its side comes into view.

With its winding river and wooden pathways, this Banshee’s Moor map perfectly snapshots the atmosphere of a desolate moor haunted by whispers of the past. Between the broken-down pathways, collapsed bridge, and abandoned carriage, every inch of this map gives the impression of danger and decay lurking in the shadows.

It goes without saying that this map is perfect for encounters involving spirits, undead, or other supernatural threats. Perhaps your party is tasked with finding out the truth behind the carriage and its poor inhabitants, or they must navigate the treacherous waters to get to their destination.

8. Bullywug Swamp - Spring

Before you, a maze of rickety bridges and floating huts come into view. The water glistens in the sunshine, and the air is thick with the scent of moss, wood, and fish; the world around you comes alive with the croaky symphony of Bullywug chatter.

We’re showcasing the Spring variant of the Bullywug Swamp map here—because just look at that gorgeous pink water!--but every variant here would work beautifully in a swampy adventure. This map depicts a lively floating village of rickety bridges and ramshackle huts built on the water, where lilypads and duckweed float lazily through the marsh water.

This map is gorgeous for any campaign involving any unique swamp, marsh, or Feywild creatures, such as the frog-like Bullywugs that give the map its name. Whether your party is negotiating with the chieftain, bartering for unique goods, or fighting their way into the village, this map will provide the perfect backdrop for dynamic roleplay.

9. Fey Village - Swamp

The village appears like a dream. Rising from the bog, an enormous tree trunk stretches to the sky, connected to the land with a bridge of twinkling, ethereal light. Rays of sunlight filter through the canopy, casting a fairy-tale glow over the trees. Below you, fish dart in the clear waters beneath swathes of lilypads.

Enchanting and otherworldly, the Swamp variant of this Fey VIllage map is a breathtaking depiction of an ethereal, tiered tree trunk village rising from a serene bog. Accessible via a mystical bridge of soft, glowing light, this village comprises an enormous tree with multiple tiers, surrounded by water dotted with lilypads and fish.

This map is fantastic for any campaign involving the mystical Feywilds or any other enchanted or mystical swamp setting. Whether your party’s seeking counsel from elusive fey or retrieving some artifact hidden within the forest, this map will make a gorgeous backdrop.

This map also includes a scene - perfect for immersing your players in the mystic fey village and bringing your adventure to life. Take a look!

10. Flooded Fey Ruins - Swamp

The ruins loom around you, bathed in the soft light of the setting sun. The ancient stone pathways are slick with water; and as you step further, you feel the weight of countless ages pressing down upon your backs. You know that whatever happens next, it will be a moment etched in the annals of history.

Last—but certainly not least—send your players into a realm of ancient magic and lingering stories with this Flooded Fey Ruins—Swamp map. This breathtaking scene features intricate elven architecture submerged in serene blue waters amidst lilypads and verdant foliage. White stone pathways and platforms connect the ruins and statues, lending to the sense of grandeur and mystery.

This map is perfect for an endgame scenario or pivotal moment in your campaign, with the majestic ruins possibly serving as the setting for a climactic battle against a powerful foe, or critical ritual that the players must perform. It could also serve as the entryway to some deep, forgotten dungeon that your players will need to conquer.