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The last town on the A2

Isiolo: the last real town before the reserves

Isiolo is the last town of any size on the A2 before the reserves. Archer's Post is 34 km further north and the Samburu gate about 13 km beyond that, so anything you have forgotten is a two-hour round trip once you are past it. This page is deliberately short. We can document the road, the distances and the county that takes your money, and we have not been able to verify a single filling station, bank branch or hotel in Isiolo by name, so we do not list any. Checked 18 September 2026.

If you only want the answer

Treat Isiolo as your last stop, fill the tank, draw cash and buy what you need there, then carry on. It is 34 km from Isiolo to Archer's Post, about 13 km more to Archer's Gate for Samburu, and roughly 70 km past Isiolo to Shaba Gate, all on tarmac. Isiolo County, not Samburu County and not Kenya Wildlife Service, runs Buffalo Springs and Shaba and sets their fees, and by its own Finance Bill you are entitled to an official receipt for every payment and should demand it. What we cannot tell you: which fuel stations, banks, ATMs, shops or hotels actually operate in Isiolo today, or how far reliable phone signal reaches past the town. None of that is documented in any source we could verify, so plan your fuel, cash and offline maps before you are relying on the answer.

Where Isiolo sits on the road

Isiolo is a named stop on the A2 itself, which the Kenya National Highways Authority lists as the Great North Road Connection running Thika, Kenol, Makutano, Sagana, Marua, Nanyuki, Lewa, Isiolo, Moyale. North of the town the same road continues as the Isiolo to Moyale section, 504 km through Archer's Post, Merille, Marsabit, Turbi and Moyale, surfaced for its whole length and inaugurated in 2017. So the tarmac does not end at Isiolo. It carries on past every turning you will take.

The distances that matter from here are short. Isiolo to Archer's Post is 34 km. Archer's Post to the Samburu reserve gate is put at about 13 km. Shaba Gate is reached via Archer's Post, roughly 70 km past Isiolo, and its turning is often unsigned. Ngare Mara Gate, which belongs to Buffalo Springs rather than Samburu, sits directly on the Isiolo to Archer's Post road just before Archer's Post, which makes it the easiest gate to reach from the town and the busiest for day safaris.

Two pieces of roadworks news sit on this stretch. KeNHA closed the A2 between Isiolo and Kirish from 17 April to 15 May 2026, between km 29+140 and km 29+300 near the access road to the School of Military Engineering, to reconstruct a failed pavement. The closure has ended and the failure is worth knowing about. On 8 February 2026 KeNHA announced a 147 km dual carriageway between Marua, Nanyuki and Isiolo, funded from the infrastructure fund, with no contractor or timeline published. Expect works on the approach.

One last practical point for self-drivers. Several Kenyan hire companies set Archer's Post as the northernmost point their vehicles are permitted to reach. That is a rental policy rather than a reserve rule, and it is worth reading your agreement before you pass Isiolo.

What we can and cannot tell you about the town

Every guide will tell you Isiolo is the last fuel, the last bank and the last proper shops before the reserves, and geographically that is obviously right: nothing north of it on this road is a town of comparable size. What we could not do is stand any of it up. No source in our research names a filling station, a bank branch, an ATM that takes foreign cards, a supermarket or a market in Isiolo, and we are not going to invent a list of them for a page people will plan a remote drive against.

So take the principle rather than the detail. Arrive in Isiolo with enough range to reach your camp and get back out, and fill completely instead of topping up. Draw cash before you need it, and treat any assumption about a foreign card working at a specific machine as a guess. Ask your lodge or camp directly which station they use and whether they hold fuel, since they make this drive every week and we do not.

Phone signal is the same story. Isiolo is a county capital on a trunk road, so ordinary coverage there is a fair working assumption. How far it reaches past Archer's Post, on the murram turnings and inside the reserves, is not documented in anything we could verify. Download offline maps before you leave the tarmac, and tell someone your route and expected arrival while you still have a bar of signal to send it.

Money: who charges you, and what to demand

Isiolo County matters here beyond being a place on the map. Buffalo Springs National Reserve and Shaba National Reserve are both Isiolo County reserves, and their entry fees are set by the Isiolo County Finance Act, passed by the County Assembly of Isiolo. Samburu National Reserve, on the other side of the Ewaso Ng'iro, belongs to Samburu County and has its own tariff. Kenya Wildlife Service charges nothing at any of the three, so a KWS ticket, a KWS annual card or a KWS eCitizen booking does nothing for you here.

The most recent Isiolo tariff we could actually read is the Isiolo County Finance Bill 2023. The County Assembly of Isiolo website has returned Account Suspended for some time, the web archive preserved only the error page, the successor domain does not exist in DNS, and the new county site is a JavaScript application with no searchable document archive. For 2024, 2025 and 2026 we therefore have no verified Isiolo figures at all. In that 2023 Bill the whole tariff sits under a single heading, PART III - ISIOLO NATIONAL RESERVE, with adult non-resident entry at USD 70 and child non-resident at USD 40, and Buffalo Springs and Shaba are not named separately anywhere in it.

On payment itself, the Bill has a chapter headed PART III - PAYMENT which requires an official receipt to be issued for every payment and says the payer must demand that receipt. That is the one hard rule worth carrying to a gate. Neither the Isiolo nor the Samburu legislation mentions eCitizen, M-Pesa, card machines or a ban on cash, and the travel-trade accounts contradict each other flatly, from cash in dollars or shillings plus Visa, Mastercard and M-Pesa accepted at the gate to nothing accepted except electronic payment. We will not tell you card payment is guaranteed and we will not tell you cash is refused. Carry a fallback, and read our entry fees page for the full picture, including the unresolved question of whether one reserve's ticket is any use in another.

Breaking the drive, and why most people do not

Nairobi to the reserves is 320 to 350 km and six to seven hours on tarmac, which is a long day and a comfortably single one. The gates open at 06:00 and close at 18:00, so an early departure from Nairobi gets you through the gate the same afternoon with time to spare. That is why almost nobody splits this drive, and why we are not going to build a two-day itinerary for you out of nothing.

If you do want to break the journey, we found no verified accommodation in Isiolo town itself in this research round, so we are not naming any. The properties we can document are inside or beside the three reserves, and they are on our lodges page with what each one publishes. Nanyuki and Timau sit on the route earlier in the day and are the obvious places to look for an overnight, though the same caveat applies: nothing in our sources covers them, so book through your operator rather than on our word.

The one genuine reason to stop short is timing. If you leave Nairobi late, or the Marua to Nanyuki to Isiolo works cost you an hour, arriving at Archer's Gate after 18:00 means a closed gate and a warden's permission you are not entitled to expect. Stopping before the last stretch is a better plan than arriving in the dark.

Sources