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Sierra Leone🇸🇱 | landmarksKono Diamond MinesWaist-deep sieving pits, kimberlite open pit, Koidu market, licensed dealers, Sewa River dredging | things to do and best time to go

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Backpacking in Kono Diamond Mines
🏆 Top pickunique site ranked #1
By Johan Kruseman 🇳🇱 | Updated October 22, 2026

Diamonds are the reason anyone comes to Kono Diamond Mines, and the real draw is watching them come out of the ground: men standing waist-deep in brown water, swirling gravel in round sieves under a hammering sun. What gets overlooked is how much of this is about people. Koidu’s motorbike taxis, shouted greetings and long talks with diggers and dealers tell you more than any pit. The mines sit in the east of Sierra Leone, in Kono District, well beyond the capital. Crowds are nonexistent, but so is infrastructure. Expect red dust in your teeth, diesel fumes, the grinding of pumps and the dull thud of blasting at the industrial pit. The industrial mine itself is fenced and closed to casual visitors, and getting access to artisanal sites usually costs a fixer, a permission and patience. Curious, flexible travelers who like raw, working places will love it. Anyone wanting polished sights or guaranteed gems should skip it.

Discover everything you want to know in the 📖 Sierra Leone Travel Guide.


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✨ Why go?
Ranked #1 unique site in Sierra Leone
The unique appeal for travelers

Kono Diamond Mines is one of the few places where you can see the full chain of a diamond economy at human scale, from pit and swamp to the licensed buying offices in town. That is a rare education, and it changes how you look at every ring window afterward. The other reason is the story. Diamonds found here in the 1930s shaped colonial Sierra Leone, financed a brutal conflict, and still feed hopes of one lucky find: a pastor’s 700-carat-plus stone made global news and kept every sieve in the district shaking. Talk to diggers and you hear that hope in every sentence. The district also rewards a longer eastern loop. Koidu connects naturally with the road toward Kenema and the forests and hills of the east, so it works as the anchor of a rough, rewarding overland route rather than a standalone … read more 👉
Kono Diamond Mines is one of the few places where you can see the full chain of a diamond economy at human scale, from pit and swamp to the licensed buying offices in town. That is a rare education, and it changes how you look at every ring window afterward. The other reason is the story. Diamonds found here in the 1930s shaped colonial Sierra Leone, financed a brutal conflict, and still feed hopes of one lucky find: a pastor’s 700-carat-plus stone made global news and kept every sieve in the district shaking. Talk to diggers and you hear that hope in every sentence. The district also rewards a longer eastern loop. Koidu connects naturally with the road toward Kenema and the forests and hills of the east, so it works as the anchor of a rough, rewarding overland route rather than a standalone stop. Go in with a local contact, modest expectations about access, and real curiosity. You will leave with stories no checklist destination offers.

💡 HighlightsEssential experiences to have while visiting Kono Diamond Mines

  1. Koidu Kimberlite Mine: The industrial open pit on the edge of Koidu is the headline, a deep terraced hole cut into the kimberlite pipes that were found after the alluvial boom. You will hear blasting and see haul trucks from the perimeter. Entry is restricted, so treat it as a viewing-from-outside stop unless you arrange permission through the operator.
  2. Artisanal alluvial diggings: Across the swampy valleys around Koidu, teams dig pits, haul gravel and wash it in sieves, with a watcher scanning every pan. It is muddy, loud with pumps and chatter, and far more revealing than the big mine. Go with a local guide and ask before taking any photo.
  3. Koidu central market: Piles of cassava, palm oil, dried fish and secondhand clothes sit beside phone-charging stalls, and the crowd is thick with miners
… read more 👉
  1. Koidu Kimberlite Mine: The industrial open pit on the edge of Koidu is the headline, a deep terraced hole cut into the kimberlite pipes that were found after the alluvial boom. You will hear blasting and see haul trucks from the perimeter. Entry is restricted, so treat it as a viewing-from-outside stop unless you arrange permission through the operator.
  2. Artisanal alluvial diggings: Across the swampy valleys around Koidu, teams dig pits, haul gravel and wash it in sieves, with a watcher scanning every pan. It is muddy, loud with pumps and chatter, and far more revealing than the big mine. Go with a local guide and ask before taking any photo.
  3. Koidu central market: Piles of cassava, palm oil, dried fish and secondhand clothes sit beside phone-charging stalls, and the crowd is thick with miners spending their week’s earnings. It is the best place to hear the town’s rhythm and eat cheap rice and stew with sauce that stings.
  4. Licensed diamond buying offices: In town, dealers weigh and grade stones on small scales behind counters. Some will explain how stones are valued if you are polite and not pushing to buy. Never trade on the street. Unlicensed buying is illegal and a classic way to lose money.
  5. Yengema: This old mining settlement northeast of Koidu was the heart of the colonial-era operation, and diamond history is stacked thick here. The 969-carat Star of Sierra Leone was found in the area in the early 1970s. Former company infrastructure and elderly residents with long memories make it worth a conversation-led visit.
  6. Sewa River banks: The Sewa carries the sediment that built the district’s alluvial deposits. Along its banks you can watch dredging, sieving and fishing happening side by side, with kids swimming where the water slows. Late afternoon, when the work eases, is the calmest hour here.
Start with the artisanal diggings, because seeing the sieves at work first makes everything else in Kono Diamond Mines make sense.
Spotted a mistake or missing something? Contact us.

🌤️ When to go?Best time to visit Kono Diamond Mines

November to March is the window that works for Kono: roads are firm and the river gravels are workable. Plan around that, and treat the rest of the year as a different trip.
  • Dry Season (November to March): Days run 30 to 35°C (86 to 95°F), nights 20 to 23°C (68 to 73°F). Harmattan haze from December to February dulls the light and dust coats everything, but red laterite tracks are passable and diggers work the pits and streambeds at full strength. Expect 11 to 12 hours of daylight.
  • Hot Transition (April to May): Highs reach 33 to 36°C (91 to 97°F) and humidity climbs. Early storms begin, and pit-side work gets muddy and slower.
  • Rainy Season (June to October): Rain falls most days, peaking in August and September, with highs of 26 to 29°C (79 to 84°F). Roads to Koidu turn to soup, flooded pits
… read more 👉
November to March is the window that works for Kono: roads are firm and the river gravels are workable. Plan around that, and treat the rest of the year as a different trip.
  • Dry Season (November to March): Days run 30 to 35°C (86 to 95°F), nights 20 to 23°C (68 to 73°F). Harmattan haze from December to February dulls the light and dust coats everything, but red laterite tracks are passable and diggers work the pits and streambeds at full strength. Expect 11 to 12 hours of daylight.
  • Hot Transition (April to May): Highs reach 33 to 36°C (91 to 97°F) and humidity climbs. Early storms begin, and pit-side work gets muddy and slower.
  • Rainy Season (June to October): Rain falls most days, peaking in August and September, with highs of 26 to 29°C (79 to 84°F). Roads to Koidu turn to soup, flooded pits halt digging, and trips run slow. Transport and guide prices rise because fuel is harder to move.
  • Crowds and Prices: Foreign visitors are rare year-round, so crowds are never a concern. Costs tick up around Christmas when diaspora families return.
Arrive in early December, after the roads dry out but before the Christmas price bump.


source: climatestotravel.comJANJanuary: excellent for travelingFEBFebruary: excellent for travelingMARMarch: excellent for travelingAPRApril: excellent for travelingMAYMay: fair for travelingJUNJune: below average for travelingJULJuly: below average for travelingAUGAugust: below average for travelingSEPSeptember: fair for travelingOCTOctober: fair for travelingNOVNovember: highly recommended for travelingDECDecember: highly recommended for traveling
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🛏️ Where to stay?Choosing the right base

Koidu, the district capital and the town closest to the mining zones, is the area to sleep in. It has the best choice of guesthouses, the most reliable generators, and the only real concentration of restaurants, ATMs and mobile money agents in Kono. Budget rooms with a fan and a bucket shower run roughly US$15 to 30 a night, and a few mid-range places go up to US$50 to 70 with air conditioning and a steadier power supply.

Stay in the central part of Koidu, near the main market and the roundabout area, rather than out by the pits. You can walk to food stalls in the evening, motorbike taxis are … read more 👉
Koidu, the district capital and the town closest to the mining zones, is the area to sleep in. It has the best choice of guesthouses, the most reliable generators, and the only real concentration of restaurants, ATMs and mobile money agents in Kono. Budget rooms with a fan and a bucket shower run roughly US$15 to 30 a night, and a few mid-range places go up to US$50 to 70 with air conditioning and a steadier power supply.

Stay in the central part of Koidu, near the main market and the roundabout area, rather than out by the pits. You can walk to food stalls in the evening, motorbike taxis are always within a shout, and neighbors and staff tend to know who is in town. Socializing happens at small bars and eateries rather than hostels. Expect to meet NGO workers, mining company staff and returning locals, not other backpackers, so you will talk more with the owner of your guesthouse than with fellow travelers.

Smaller towns such as Yengema, a short motorbike ride away, have simpler rooms and quieter nights, but fewer places to eat and less choice if something falls through. Solo travelers should book the first night ahead by phone, arrive in daylight, and ask the guesthouse to arrange a trusted local guide for any mine visit.

👛 Costs (as of 22 October 2026)Money, prices, and spending tips

Kono Diamond Mines costs roughly US$15 to 30 a day for a backpacker based in Koidu, with a total daily budget of US$70 once a guide and transport are counted. Prices are in US dollars here, but you pay in cash in Leones, and ATMs can be unreliable, so carry dollars to exchange.
CategoryBudget RangeLocal Reality
Accommodation (high season)US$15 to 30Basic guesthouse with fan and shared or bucket bathroom; US$10 to 25 in the rainy season
Local guideUS$10 to 20Essential for access to mining areas, usually arranged through your guesthouse
Permission and small feesUS$5 to 10Informal payments to site bosses or chiefs for visiting and photographing; ask your guide first
Local transportUS$4 to 8Motorbike taxis around Koidu and out to the pits, short rides cost under US$1 to 2
Food and waterUS$6 to 12Rice
… read more 👉
Kono Diamond Mines costs roughly US$15 to 30 a day for a backpacker based in Koidu, with a total daily budget of US$70 once a guide and transport are counted. Prices are in US dollars here, but you pay in cash in Leones, and ATMs can be unreliable, so carry dollars to exchange.
CategoryBudget RangeLocal Reality
Accommodation (high season)US$15 to 30Basic guesthouse with fan and shared or bucket bathroom; US$10 to 25 in the rainy season
Local guideUS$10 to 20Essential for access to mining areas, usually arranged through your guesthouse
Permission and small feesUS$5 to 10Informal payments to site bosses or chiefs for visiting and photographing; ask your guide first
Local transportUS$4 to 8Motorbike taxis around Koidu and out to the pits, short rides cost under US$1 to 2
Food and waterUS$6 to 12Rice with sauce or cassava leaf at street eateries for US$2 to 4, bottled water about US$0.50 to 1
Total Daily BudgetUS$70Based on one night in high season, a guide, fees, transport and food
⚠️ Prices can change and everyone travels differently, so take this as a rough guide. Hope it helps you plan your adventure!

FAQTraveler FAQ

Kono Diamond Mines is the alluvial and kimberlite diamond mining area around Koidu in eastern Sierra Leone, one of the country’s richest gem districts. Diggers work river gravels and pits by hand, sieving and washing gravel for stones. Koidu is the hub, and the area sits roughly 300 kilometers east of Freetown.
Kono Diamond Mines can be seen in one full day if you base yourself in Koidu and hire a local guide, though two days gives breathing room for permissions and delays. Add a day each way for the journey from Freetown. Plan one night in the town at minimum, at around US$15 to 30 for a basic room.
Kono Diamond Mines are reached by road from Freetown to Koidu, a journey of about 7 to 10 hours depending on the season and road state. Shared minibuses and taxis go via Makeni and Magburaka, with fares around US$10 to 20. Motorbike taxis then cover the last stretch from Koidu to the diggings for US$1 to 3 a ride.
⚠️ Things can change over time, so always validate details locally before you go.

Where to go next

Kono Diamond Mines isn’t the only highlight in Sierra Leone. Explore all what Sierra Leone has to offer.
Country photo of Sierra Leone

We 💚 feedbackParting advice and final tips

Most first-timers fixate on the big pit and miss that the real story in Kono Diamond Mines is told at the sieves and in the market, where people explain what a stone means to a family. I would hire a local guide on day one, bring small bills, and ask before every photo.

✍️ Help improve this page!
The information on this page is based on in-depth research, insights shared by experienced travelers, and feedback from the local travel community in Sierra Leone. While every effort is made to keep the information accurate and current, conditions can change — so if you spot anything incorrect or outdated, please get in touch.



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